Miguel Cardona says the federal Education Department is investigating Columbia University over on-campus protests.
House Speaker Mike Johnson (R-LA) on campus protests: "This is not free speech."
House GOP Whip Tom Emmer compares campus protesters to "Nazi Germany."
Nancy Pelosi accuses MSNBC host Katy Tur of being "apologist for Donald Trump": "May be your role, but it ain't mine."
