U.S. President Barack Obama shakes hands with employees as he tours a North Carolina manufacturing facility of energy efficient LED lights, Cree Inc., in Raleigh-Durham, June 13, 2011. From L-R are: Obama, Matthew Rose, CEO of GE Jeffrey Immelt and Chairman and CEO of Cree, Inc. Charles M. Swoboda. REUTERS/Larry Downing (UNITED STATES – Tags: POLITICS BUSINESS EMPLOYMENT)