Sunday on 'This Week': Donald Trump, Reince Priebus, Denis McDonough, and Sen. Mitch McConnell

Trump, Priebus, McDonough, and McConnell will appear on "This Week" Sunday.

— -- As he moves closer to the Republican nomination, GOP front-runner Donald Trump comes to "This Week" Sunday.

Plus, RNC Chair Reince Priebus takes on the latest in the 2016 race.

White House Chief of Staff Denis McDonough and Senate Majority Leader Mitch McConnell take on the battle over President Obama’s Supreme Court nominee.

And the Powerhouse Roundtable debates the week in politics, with Washington Post columnist E.J. Dionne, Republican strategist and CNBC contributor Sara Fagen, National Review editor Rich Lowry, and host and managing editor of TV One’s “News One Now” Roland Martin.

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

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