Sunday on 'This Week': White House Chief of Staff Denis McDonough
This Sunday, White House Chief of Staff Denis McDonough discusses the latest on the administration's strategy against ISIS.
Plus, Sen. Tom Harkin, D-Iowa, discusses Hillary Clinton's first trip to Iowa since the 2008 campaign, and the powerhouse roundtable debates all the week's politics, with ABC News contributor and Democratic strategist Donna Brazile and ABC News political analyst Matthew Dowd.
Plus, we're on the road with Secretary of Education Arne Duncan on his back-to-school bus tour.
See the whole political picture, Sunday on "This Week."
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