Iowa Sen. Chuck Grassley was captured on video waving and smiling to booing protesters who were chanting "stand up to Trump" and repeatedly yelling "f--- you!" outside of his town hall event.

COULD BRING COMING UP. ALL RIGHT, JASON, THANK YOU. TODAY WE HEARD FROM IOWA SENIOR SENATOR CHUCK GRASSLEY FOR THE FIRST TIME SINCE REPORTS THAT CLASSIFIED INFORMATION WAS SENT IN A SINGLE GROUP ...