 A pair of sitting governors will also be heard from tonight, South Dakota's Kristi Noem and Virginia's Glenn Youngkin, 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 or who's going to help working people.