U.S. President Barack Obama and Air Force One are reflected in the sunglasses of a greeter upon his arrival in Las Vegas, October 24, 2011. Obama will unveil new measures to help struggling homeowners in Las Vegas on Monday in the first leg of a campaign-style swing through western states that may be crucial to his re-election in 2012. REUTERS/Jason Reed (UNITED STATES – Tags: POLITICS BUSINESS EMPLOYMENT ELECTIONS)