Sen. Chris Van Hollen, Rep. Steve Scalise

House Majority Leader Steve Scalise, R-La., joins ‘This Week' to discuss the war in Iran and the House GOP's decision to reject the Senate proposal to end the shutdown of DHS. Sen. Chris Van Hollen, D-Md., discusses the Democrats' next steps in the shutdown fight. As the only Iranian American Democrat in Congress, Rep. Yassamin Ansari, D-Ariz., shares her perspective on the war with Iran. Roundtable: Former DNC chair Donna Brazile, former New Jersey Governor Chris Christie, and "Pucks" chief Washington correspondent Leigh Ann Caldwell.