The Teamsters broke with the union tradition of backing Democrats on Wednesday. Here's a look at how it is different from other major unions.

James P. Hoffa, who led the Teamsters for 23 years, said it was a mistake for the union not to endorse Vice President Kamala Harris, the “correct choice for labor.”

WASHINGTON (AP) — The International Brotherhood of Teamsters declined Wednesday to endorse Kamala Harris or Donald Trump for president, saying neither candidate had sufficient support from the 1.3 million-member union.