Teamsters leader turned MAGA-world darling backs Republican in key Senate showdown

FIRST ON FOX: One of the top union leaders in the country has waded into a key Senate contest, backing the Republican incumbent in a race that could determine the balance of power in the upper chamber. Teamsters General President Sean O’Brien is backing Sen. Roger Marshall, R-Kan., in his bid for reelection as Republicans look to solidify their grip in the upper chamber, and push back against the headwinds that browbeat the party in power during a midterm election cycle. "Sen. Marshall has prove