Sunday on 'This Week': Kellyanne Conway, Gov. John Kasich, and DNC Chair Tom Perez

— -- Martha Raddatz speaks with Counselor to the President Kellyanne Conway and Gov. John Kasich, Sunday on “This Week.”

Plus, following major Democratic wins in Tuesday’s elections, DNC Chair Tom Perez comes to “This Week.”

And the Powerhouse Roundtable debates the week in politics, with ABC News senior congressional correspondent Mary Bruce, Republican strategist and ABC News contributor Alex Castellanos, ABC News political analyst Matthew Dowd, and historian Mark Updegrove, author of the new book, “The Last Republicans: Inside the Extraordinary Relationship Between George H.W. Bush and George W. Bush.”

See the whole political picture, Sunday on “This Week.”

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