Foreign Policy continues to dominate the discussion in Washington, as the US and five other world powers hold talks in Geneva with Iran over that countrys contentious nuclear program. After the much anticipated meeting, Iran agreed to let IAEA inspectors into their newly discovered secret nuclear facility. President Obama hailed the meeting by saying that Iran is on a path to better relations with the US. He also cautioned that hard work lies ahead. Here at home, members of the Presidents Cabinet and senior Administration officials gathered in the White House to begin debate over the USs future involvement in Afghanistan. Now that General McChrystals Afghanistan report has been delivered, President Obama embarks on his most important foreign policy decision to date. This week Fox News Sunday hosts some of the Senates foremost thinkers on US Foreign Policy. Segment 1: Sen. Evan Bayh, (D) Indiana / Armed Services Committee Sen. Lindsey Graham, (R) South Carolina / Armed Services Committee Sen. Bob Casey, (D) Pennsylvania / Foreign Relations Committee Sen. Saxby Chambliss, (R) Georgia / Armed Services Committee Plus our Sunday Panel: Brit Hume Fox News Senior Political Analyst Mara Liasson National Public Radio & Fox News Bill Kristol Weekly Standard & Fox News Juan Williams National Public Radio & Fox News