Senator Jeff Flake urges action on border security and guest workersObama defends executive order: ‘everything becomes hostage’ in CongressObama has shown courage to stand with us, say joyful LatinosModerate Republicans urged the party to “move on” from its fixations on immigration reform and Benghazi on Sunday, as Barack Obama continued to defend his decision to circumvent Congress by use of executive action.The president’s controversial decision on Thursday to grant legal status to 5 million undocumented immigrants has provoked a storm of protest from opponents who claim he overstepped his executive authority.