With reopening of embassies, Cuba and U.S. signal the start of a new post-Cold War era

Edwardo Clark, a Cuban-American, holds an American flag and a Cuban flag as he celebrates outside the new Cuban embassy in Washington, Monday, July 20, 2015. The United States and Cuba restored full diplomatic relations Monday after more than five decades of frosty relations rooted in the Cold War. (AP Photo/Andrew Harnik)

Cuban Lazaro Cudilleiro holds a banner in front of the United States Embassy in Havana, Cuba, Monday, July 20, 2015. A new era began in Cuba and U.S. relations with little fanfare when an agreement between the two nations to resume normal ties on July 20 came into force just after midnight Sunday and the diplomatic missions of each country were upgraded from interests sections to embassies. (AP Photo/Desmond Boylan)

A tourist holds a United States' national flag as she walks towards the U.S. embassy, in Havana, Monday, July 20, 2015. A new era began in Cuba and U.S. relations with little fanfare when an agreement between the two nations to resume normal ties on July 20 came into force just after midnight Sunday and the diplomatic missions of each country were upgraded from interests sections to embassies. (AP Photo/Ramon Espinosa)

Javier Yanez looks out from his balcony where he hung a U.S., and a Cuban national flag, to celebrate the restored full diplomatic relations between Cuba and the Unites States, in Old Havana , Monday, July 20, 2015. The new era began with little fanfare when an agreement between the two nations to resume normal ties on July 20 came into force just after midnight Sunday and the diplomatic missions of each country were upgraded from interests sections to embassies. (AP Photo/Ramon Espinosa)

Cubans wait their turn to enter the United States Embassy to apply for travel visas, or the Cuban family reunification program, in Havana, Monday, July 20, 2015. A new era began in Cuba and U.S. relations with little fanfare when an agreement between the two nations to resume normal ties on July 20 came into force just after midnight Sunday and the diplomatic missions of each country were upgraded from interests sections to embassies. (AP Photo/Ramon Espinosa)

Cuban-American Gina Gonzalez waves an American flag in front of the United States embassy in Havana, Cuba, Monday, July 20, 2015. The U.S. and Cuba restored full diplomatic relations Monday after more than five decades of frosty relations rooted in the Cold War. (AP Photo/Desmond Boylan)

Chairs reserved for the Cuban delegation are ready for Secretary of State John Kerry and Cuban Foreign Minister Bruno Rodriguez's news conference after their meeting at the State Department, in Washington, Monday, July 20, 2015. Earlier in the day Rodriquez lead the reopening ceremony of Cuba's U.S. embassy. (AP Photo/Cliff Owen)

Cuban-Americans gather in front of the United States Embassy in Havana, Cuba, Monday, July 20, 2015. The U.S. Interests Section in Havana plans to announce its upgrade to embassy status in a written statement on Monday, but the Stars and Stripes will not fly at the mission until Secretary of State John Kerry visits in August for a ceremonial flag-raising. (AP Photo/Desmond Boylan)

The last Cuban flag that was lowered from the Cuban Embassy in Washington on January 3, 1961 when relations between the United States and Cuba were severed, hangs in their new embassy in Washington, Monday, July 20, 2015. The United States and Cuba restored full diplomatic relations Monday after more than five decades of frosty relations rooted in the Cold War. (AP Photo/Andrew Harnik, Pool)

Cuban Foreign Minister Bruno Rodriguez speaks during a ceremony to reopen the Cuban embassy in Washington, Monday, July 20, 2015. The United States and Cuba severed diplomatic relations in 1961 and since the 1970s had been represented in each other's capitals by limited service interests sections. Their conversion to embassies tolled a knell for policy approaches spawned and hardened over the five decades since President John F. Kennedy first tangled with youthful revolutionary Fidel Castro over Soviet expansion in the Americas. (AP Photo/Andrew Harnik, Pool)

A Cuban honor guard arrives with the Cuban Flag during a ceremony to raise the Cuban flag over their new embassy in Washington, Monday, July 20, 2015. Cuba's blue, red and white-starred flag was hoisted Monday at the country's embassy in Washington in a symbolic move signaling the start of a new post-Cold War era in U.S.-Cuba relations. (AP Photo/Andrew Harnik, Pool)

A Cuban honor guard prepares the Cuban flag for Cuban Foreign Minister Bruno Rodriguez, center right, before he raises the Cuban flag over their new embassy in Washington, Monday, July 20, 2015. Cuba's blue, red and white-starred flag was hoisted Monday at the country's embassy in Washington in a symbolic move signaling the start of a new post-Cold War era in U.S.-Cuba relations. (AP Photo/Andrew Harnik, Pool)

Cuban Foreign Minister Bruno Rodriguez, center, raises the Cuban flag over their new embassy in Washington, Monday, July 20, 2015. The United States and Cuba restored full diplomatic relations Monday after more than five decades of frosty relations rooted in the Cold War. (AP Photo/Andrew Harnik, Pool)

After the Cuban flag is raised, a member of the Cuban honor guard reveals a new plaque at the front door of their new embassy in Washington, Monday, July 20, 2015. Cuba's blue, red and white-starred flag was hoisted Monday at the country's embassy in Washington in a symbolic move signaling the start of a new post-Cold War era in U.S.-Cuba relations. (AP Photo/Andrew Harnik, Pool)

Members of the Cuban honor guard stand at attention following a ceremony to raise the Cuban flag over their new embassy in Washington, Monday, July 20, 2015. Cuba's blue, red and white-starred flag was hoisted Monday at the country's embassy in Washington in a symbolic move signaling the start of a new post-Cold War era in U.S.-Cuba relations. (AP Photo/Andrew Harnik, Pool)

A member of the Cuban honor guard stands next to a new plaque at the front door of the newly reopened Cuban embassy in Washington, Monday, July 20, 2015. Cuba's blue, red and white-starred flag was hoisted Monday at the country's embassy in Washington in a symbolic move signaling the start of a new post-Cold War era in U.S.-Cuba relations. (AP Photo/Andrew Harnik, Pool)

Cuban Foreign Minister Bruno Rodriguez, right of center, applauds with other dignitaries after raising the Cuban flag over their new embassy in Washington, Monday, July 20, 2015. Cuba's blue, red and white-starred flag was hoisted Monday at the country's embassy in Washington in a symbolic move signaling the start of a new post-Cold War era in U.S.-Cuba relations. (AP Photo/Andrew Harnik, Pool)

Visitors mingling in the newly reopened Cuban embassy in Washington, Monday, July 20, 2015. The last Cuban flag that was lowered from the Cuban Embassy in Washington on January 3, 1961 when relations between the United States and Cuba were severed, hangs in the main atrium of the newly reopened Cuban embassy in Washington, Monday, July 20, 2015. Cuba's blue, red and white-starred flag was hoisted Monday at the country's embassy in Washington in a symbolic move signaling the start of a new post-Cold War era in U.S.-Cuba relations. (AP Photo/Andrew Harnik, Pool)

Beverages including the Mojito, a traditional Cuban cocktail, are served to guests at the newly reopened Cuban embassy in Washington, Monday, July 20, 2015. Cuba's blue, red and white-starred flag was hoisted Monday at the country's embassy in Washington in a symbolic move signaling the start of a new post-Cold War era in U.S.-Cuba relations. (AP Photo/Andrew Harnik, Pool)

The last Cuban flag that was lowered from the Cuban Embassy in Washington on January 3, 1961 when relations between the United States and Cuba were severed, hangs in their new embassy in Washington, Monday, July 20, 2015. The United States and Cuba restored full diplomatic relations Monday after more than five decades of frosty relations rooted in the Cold War. (AP Photo/Andrew Harnik, Pool)

The Cuban flag is raised over their new embassy in Washington, Monday, July 20, 2015. Cuba's blue, red and white-starred flag was hoisted Monday at the country's embassy in Washington in a symbolic move signaling the start of a new post-Cold War era in U.S.-Cuba relations. (AP Photo/Andrew Harnik, Pool)