 both of whom may have designs on the White House in the future. And proving that union endorsements aren't set in stone, International Brotherhood of Teamsters President Sean O'Brien said he wanted to speak at both party conventions. He told Fox's Neil Cavuto. It's not about politics with us. We don't want to be utilized as political rhetoric of who's going to help working people. We want to make sure people understand that regardless if you have a DNR, we need your help. We need you to work with us to solve problems in this country.