01.15.2020 - By PBS NewsHour
Many questions remain regarding how the Senate impeachment trial of President Trump will be conducted. Among the points of contention is whether or not witnesses should be called. Sen. Dick Durbin, D-Ill., joins Lisa Desjardins to discuss why he believes "you can't have a trial without witnesses and evidence" and how it's "no surprise" that most Americans are not following impeachment closely.