Trump's oil tanker blockade shuts down $8 billion black market

Fox News senior strategic analyst Gen. Jack Keane joins 'Fox & Friends' to react to President Donald Trump's blockade of Venezuelan oil tankers to pressure Nicolas Maduro to step down and U.S. approval of $11 billion in arms sales to Taiwan.

Fox News senior strategic analyst Gen. Jack Keane joins 'Fox & Friends' to react to President Donald Trump's blockade of Venezuelan oil tankers to pressure Nicolas Maduro to step down from power and U.S. approval of $11 billion in arms sales to Taiwan.