The head of the Teamsters spoke at the Republican National Convention, putting a spotlight on the different approach the ...

Teamsters leader Sean O'Brien delivered a rousing speech to the RNC in the state where the-Gov. Scott Walker drove the decline of union power.

Complete List of Celebrities Expected to Speak at the Republican National Convention 2016 Six ex-reality show stars are among those expected to speak tonight.

Sean O'Brien, the colorful and combative leader of the International Brotherhood of Teamsters, is providing an unexpected ...