Sunday on 'This Week': Sen. Susan Collins and Sen. Amy Klobuchar

Following Justice Anthony Kennedy’s retirement from the Supreme Court, Martha Raddatz goes one-on-one with a critical GOP swing vote for the next nominee, Sen. Susan Collins (R-Maine), plus Senate Judiciary Committee member Sen. Amy Klobuchar (D-Minn.), Sunday on “This Week.”

Plus, the Powerhouse Roundtable debates the week in politics, with ABC News Political Analyst Matthew Dowd, ABC News’ Terry Moran, ABC News’ Cokie Roberts, and VICE News Washington Bureau Chief Shawna Thomas.

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