Sunday on 'This Week': Sen. Marco Rubio and Sen. Chris Murphy

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WATCH Dem Sen: Mueller should 'show his cards soon,' give Congress findings in early 2019

Intelligence and Foreign Relations Committee Member Sen. Marco Rubio, R-Fla., and Foreign Relations Committee Member Sen. Chris Murphy, D-Conn., come to “This Week” Sunday.

Plus, ABC News Chief Legal Analyst Dan Abrams, former New Jersey Governor and ABC News Contributor Chris Christie, and Former New York Division FBI Special Agent and Senior Lecturer at Yale Jackson Institute for Global Affairs Asha Rangappa discuss the latest revelations in the Mueller and Southern District of New York investigations.

And the Powerhouse Roundtable debates the week in politics, with ABC News Senior National Correspondent Terry Moran, Republican Strategist and ABC News Contributor Alex Castellanos, Associated Press Washington Bureau Chief Julie Pace, and Vice News Washington Bureau Chief Shawna Thomas.

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