Coming up on 'This Week': Treasury Secretary Timothy Geithner

WASHINGTON, April 15, 2011— -- As the budget battle heats up in Washington, will the stand-off over the debt limit push the country into an economic Armageddon? Christiane Amanpour sits down with Treasury Secretary Timothy Geithner as he makes the case for President Obama's plan to curb spending. Does it go far enough? Who will the cuts hurt the most?

And after the first 100 days of the new Republican Congress, the Tea Party has changed the debate in Washington. But for its adherents, was the historic budget deal to cut federal spending a victory or a failure? Reps. Joe Walsh (R-Ill), Steve Southerland (R-Fl), Renee Ellmers (R-NC) andAllen West (R-Fl) come to "This Week" to debate that and the looming debt crisis. Will they vote to stop raising the debt limit and are they prepared for the potential fallout? And as Donald Trump courts Tea Party support as he weighs a bid for the GOP presidential nomination, do they think he can win?

Then, our powerhouse roundtable with George Will, economist Alice Rivlin of the National Commission on Fiscal Responsibility and Reform, political strategist Matthew Dowd and Massachusetts Gov. Deval Patrick debate the competing budget plans. Will tax increases be necessary? Can Medicare and Social Security survive? And will massive cuts stall the economic recovery?

That's all ahead Sunday on "This Week with Christiane Amanpour." You won't want to miss it.