Sunday on ‘This Week’: Rep. Michael McCaul on Homeland Threats

— -- Sunday on “This Week,” House Homeland Security Committee Chair Rep. Michael McCaul, R-Texas, discusses the latest homeland threats, and Sen. Claire McCaskill, D-Missouri, weighs in on the launch of the Hillary Clinton campaign.

And the powerhouse roundtable debates all the week’s politics, with ABC News’ Cokie Roberts, ABC News political analyst Matthew Dowd, ABC News contributor and Republican strategist Ana Navarro, and ESPN senior writer and CNN contributor LZ Granderson.

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

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