Sunday on ‘This Week’: House Speaker Paul Ryan

— -- Following his endorsement of Donald Trump, George Stephanopoulos goes one-on-one with House Speaker Paul Ryan, Sunday on “This Week.”

Then, Trump campaign chair and chief strategist Paul Manafort weighs in on the general election battle with Hillary Clinton, only on “This Week.”

And after President Obama officially endorsed Clinton’s campaign, Democratic presidential candidate Bernie Sanders comes to “This Week” Sunday.

Plus, the Powerhouse Roundtable debates the week in politics, with ABC News contributor and Democratic strategist Donna Brazile, Republican strategist and pollster Kellyanne Conway, ABC News political analyst Matthew Dowd, editor and publisher of The Nation Katrina vanden Heuvel, and ABC News contributor and Weekly Standard editor Bill Kristol.

And George Stephanopoulos sits down with the “Sheriff of Wall Street” – Preet Bharara, the U.S. Attorney for the Southern District of New York.

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

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