Sunday on ‘This Week’: Haley, Pelosi, and Collins

Following President Trump’s decision to decertify the Iran nuclear agreement, U.S. Ambassador to the U.N. Nikki Haley discusses the administration’s Iran strategy, Sunday on “This Week.”

Plus, George Stephanopoulos speaks exclusively with House Democratic Leader Nancy Pelosi, D-Calif., and goes one-on-one with Sen. Susan Collins, R-Maine.

And the Powerhouse Roundtable debates the week in politics, with ABC News senior congressional correspondent Mary Bruce, editor and publisher of The Nation Katrina vanden Heuvel, author of the new book “Beyond the Messy Truth” Van Jones, American Conservative Union chair Matt Schlapp, and author of the new book “How The Right Lost Its Mind” Charlie Sykes.

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

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