Teamsters boss Sean OBrien slams the nerve of then-VP Harris demanding union better get on board her campaign Teamsters president Sean OBrien shared an anecdote about then-Vice President Harris demanding his union endorse her campaign, saying he is still shocked by her arrogance. NEW You can now listen to Fox News articles! FIRST ON FOX: One of the nation’s most prominent railroad unions is facing new scrutiny after a watchdog report alleged its leadership is quietly working against the