 and a depressed African-American turnout that helped Trump beat former Secretary of State Hillary Clinton. Later tonight, Sean O'Brien, president of the Teamsters, which represents 1.3 million members, will address a GOP convention. Earlier today, O'Brien told Fox News he was speaking tonight to encourage bipartisan participation in politics, noting that his own union had members from both parties. O'Brien told Fox he had not yet heard from the DNC about addressing their convention in August.