Chuck Hagel: “I surely don't understand Iranian politics.”

When the National Guard opened up on students and killed students, partly because they weren't trained, they panicked.

No one person should ever govern a party. That’s not the point of political parties. Political parties must be diverse, have different opinions.

The facts speak for themselves, and especially when you look at the many of the witnesses, who are Trump cabinet members, White House officials in the Trump administration, supporters of Mr. Trump.

I think the GOP is in a lot of trouble. And I do think an encouraging sign, I think the strong control that Mr. Trump has exercised over the Republican Party is dwindling.