'People are frustrated,' Lindsey Graham says after angry airport crowd calls him 'traitor'

A video posted on Twitter Friday afternoon appears to show U.S. Sen. Lindsey Graham of South Carolina being angrily accosted in an airport.       

'People are frustrated,' Lindsey Graham says after angry airport crowd calls him 'traitor'

A video posted on Twitter Friday afternoon appears to show U.S. Sen. Lindsey Graham of South Carolina being angrily accosted in an airport.