This week on Fox News Sunday: (5/1/11)

The GOP presidential field begins to take shape. Well have an Exclusive interview with one of the Tea Partys favorite potential contenders.

Segment 1: Rep. Michele Bachmann, (R) Minnesota

Then, the debate over the budget continues, as a rogue group of Democratic Senators consider voting against raising the US' debt limit. We'll get specifics from the Chairman of the Senate Budget Committee. Plus, President Obama shakes up his national security team. We'll examine what the changes at the top will mean for the situation on the ground, when we're joined by a key Senator on the Armed Services Committee.

Segment 2: Sen. Kent Conrad, (D) North Dakota / Chairman, Budget Committee Sen. Lindsey Graham, (R) South Carolina / Armed Services Committee

Plus, our Sunday Panel: Brit Hume Fox News Senior Political Analyst Nina Easton Fortune Magazine & Fox News Bill Kristol Weekly Standard & Fox News Juan Williams Fox News Political Analyst.