Sen. Thune on impeachment trial vote and State of the Union

On Tuesday, senators took turns processing two weeks’ worth of arguments in the impeachment trial of President Trump, with each speaking in preparation for the Senate vote to acquit or convict on Wednesday. Sen. John Thune, R-S.D., who is the second-highest ranking Republican in the Senate, joins Judy Woodruff to discuss why he feels the trial was thorough and what its political impact might be.