Sunday on 'This Week': Sarah Sanders, Rep. Bennie Thompson and Rep. Tim Ryan

PHOTO: This Week with George StephanopoulosPlayABC News
WATCH 2020 campaign is about 'rebuilding' middle class: Rep. Tim Ryan

After a week of shake-ups in the Department of Homeland Security and an ongoing battle over immigration, White House press secretary Sarah Sanders and Homeland Security Committee Chair Rep. Bennie Thompson, D-Miss., go one-on-one with George Stephanopoulos on “This Week” Sunday.

Plus, Ohio Rep. Tim Ryan, one of the latest Democrats to jump into the 2020 presidential race, discusses his campaign priorities.

And the Powerhouse Roundtable debates the week in politics, with ABC News Chief White House Correspondent Jonathan Karl, former New Jersey Governor and ABC News Contributor Chris Christie, Chicago Mayor Rahm Emanuel, Democratic Strategist and Collective PAC Co-Founder Stefanie Brown James and Republican Strategist and CNN Political Commentator Alice Stewart.

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