Scoop: THIS WEEK WITH GEORGE STEPHANOPOULOS on ABC - Today, February 17, 2013

SUNDAY EXCLUSIVE
Rep Paul Ryan, R - Wisconsin, chair, House Budget Committee

HEADLINERS
Denis McDonough, White House Chief of Staff

POWERHOUSE ROUNDTABLE
George Will, ABC News
Rep Joaquín Castro, D - Texas, House Armed Services Committee
Newt Gingrich, R - Former House Speaker, 2012 Republican Presidential candidate
Ruth Marcus, columnist, The Washington Post
Stuart Stevens, Romney 2012 campaign senior advisor

SUNDAY SPOTLIGHT
Ben Carson, M.D., Director of Pediatric Neurosurgery, Johns Hopkins; author, America the Beautiful


House Budget Committee chair and former 2012 Republican Vice Presidential candidate Rep. Paul Ryan, R-Wisc., gives his response to President Obama's State of the Union address in a "This Week" Sunday exclusive.

Plus, newly-appoinTEd White House Chief of Staff Denis McDonough discusses the roadblocks facing President Obama's second term agenda.

Will the looming battle over budget cuts overshadow the President's State of the Union appeals on gun control, immigration reform and raising the minimum wage? Can House Republicans work with the White House on those key issues, or will gridlock continue? And who will be The Face of the Republican party as it tries to re-boot its image? Rep. Paul Ryan and White House Chief of Staff Denis McDonough speak to ABC News Chief White House Correspondent Jonathan Karl on "This Week."

Then the powerhouse roundtable debates all the week's politics with ABC News' George Will; Rep. Joaquín Castro, D-Texas; former House Speaker and 2012 Republican Presidential candidate Newt Gingrich; Washington Post columnist Ruth Marcus; and former Romney campaign senior advisor Stuart Stevens.

And in this week's Sunday Spotlight, Dr. Ben Carson, Director of Pediatric Neurosurgery at Johns Hopkins, gives his diagnosis for the current state of our union and discusses his recent remarks at the National Prayer Breakfast.