Donald TrumpDonald TrumpTrump to CNN reporter: 'That's a very rude question' Clinton: Trump 'would probably call' George Washington 'a loser' Clinton: Trump 'used undocumented workers' to build new luxury hotel MORE is seizing on a new undercover video from conservative provocateur James O'Keefe that suggests Hillary ClintonHillary Rodham ClintonTrump to CNN reporter: 'That's a very rude question' ObamaCare architect: ‘I wish the mandate penalty was stronger’ James Franco endorses Clinton in 'most interesting woman in the world' ad MORE OK'd outside groups to follow him on the campaign trail with an activist in a Donald Duck costume.