Immigration challenges hamper entry to U.S. for World Cup

Omar Artan was set be the first Somali to referee at the World Cup, until he was barred from entering the United States. His case is putting the spotlight on immigration challenges to get into the U.S., where two-thirds of the tournament’s matches will be played. Lawyer and civil rights expert Areva Martin gives her advice to fans, players and staff traveling there for the tournament.