As the NSA's controversial surveillance programs face new scrutiny, George Stephanopoulos goes one-on-one with House Intelligence Committee Chair Rep. Mike Rogers , R-Mich., and Senate Intelligence Committee member Sen. Mark Udall , D-Colo., only on "This Week" Sunday.

And our powerhouse roundtable tackles all the week's politics, and looks ahead to the debates that will shape 2014, with Democratic strategist and ABC News contributor Donna Brazile , ABC News political analyst Matthew Dowd , Weekly Standard editor Bill Kristol , Willett Advisors chair and former counselor to the Treasury Secretary Steven Rattner , and Fox News anchor Greta Van Susteren .

Plus, in our "Sunday Spotlight," legendary actors Sir Ian McKellen and Sir Patrick Stewart talk to ABC's John Donvan about their longtime friendship and their latest work together in the two Broadway plays "Waiting for Godot" and "No Man's Land."

See the whole political picture, Sunday on "This Week."

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