Biden seeks Teamsters endorsement in bid for labor vote
Washington Post
The Teamsters, which has some 1.3 million members in transportation and other industries, represents a critical potential base of support for Biden, because of the union’s size and influence. It is among a handful of unions that have yet to endorse in the 2024 election.
https://www.washingtonpost.com/business/2024/03/12/teamsters-biden-trump-unions/