Teamsters union president calls Trump ‘tough SOB’ in unprecedented speech at Republican convention

Sean O'Brien speaks during the first day of the RNC at the Fiserv Forum in Milwaukee, Wisconsin, on Monday. Photograph: Andrew Caballero-Reynolds/AFP/Getty Images

In an unprecedented address, Sean O’Brien, the president of the powerful Teamsters union, delivered remarks at the Republican national convention on Monday night.

In addressing the convention, O’Brien broke with most major unions in the US, which have overwhelmingly thrown their support behind Joe Biden.