Sunday on ‘This Week:’ Donald Trump, Vice President Joe Biden, and Ret. Gen. John Allen

Trump, Biden, and Allen will appear on "This Week" Sunday.

— -- George Stephanopoulos goes one-on-one with Republican presidential nominee Donald Trump, in his first interview since the Democratic convention, Sunday on “This Week.”

Plus, Vice President Joe Biden opens up about his relationship with the president, and life after the White House.

Then, Retired Marine General John Allen explains why he’s endorsing Democratic presidential nominee Hillary Clinton.

And, the Powerhouse Roundtable debates the week in politics with ABC News Chief White House Correspondent Jonathan Karl, ABC News contributor and Washington Examiner columnist Kristen Soltis Anderson, The Young Turks host Cenk Uguyr, Fox News anchor Greta Van Susteren, and The Atlantic senior editor Alex Wagner.

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

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