Trump stops cold as boos ring out at Montana protester: 'That's not nice!'

President Donald Trump was interrupted yet again by a protester during a speech in a red state as he stumps for Republicans in the midterms. Trump was speaking in Kalispell, Montana, about how he believes Democrats "want to destroy America" when he suddenly stopped as the crowd began booing. Trump began repeating, "That's not nice! That's not nice," even…