Sunday on 'This Week': Acting White House Chief of Staff Mick Mulvaney and Sen. Amy Klobuchar

ABC News Chief White House Correspondent Jonathan Karl goes one-on-one with acting White House Chief of Staff Mick Mulvaney and 2020 presidential candidate and Judiciary Committee member Sen. Amy Klobuchar, D-Minn., on “This Week” Sunday.

Plus, the Powerhouse Roundtable debates the week in politics, with Citizens United President and former Trump Deputy Campaign Manager David Bossie, former Democratic North Dakota Sen. Heidi Heitkamp, NPR White House Reporter Ayesha Rascoe and Axios National Political Reporter Jonathan Swan.