
President Obama and German Chancellor Angela Merkel walk across the South Lawn of the White House on June 7, 2011, during an arrival ceremony. (Associated Press)

German Chancellor Angela Merkel and President Obama walk across the South Lawn of the White House on June 7, 2011, during an arrival ceremony. (Associated Press)

A plume of smoke rises following an airstrike in Tripoli, Libya, on May 24, 2011. The Obama administration reached out Tuesday to the Libyan rebels and said Moammar Gadhafi would "inevitably" be forced from power as the U.S.-backed NATO coalition launched a withering bombardment on the Libyan leader's stronghold of Tripoli. (Associated Press)

Associated Press With a courthouse in Somerset, Pa., as backdrop, former Sen. Rick Santorum of Pennsylvania announces he is entering the crowded field for the 2012 Republican presidential nomination. He criticized President Obama as having put the country on a path to moral and fiscal ruin.

**FILE** President Obama speaks on June 3, 2011, in front of a Jeep Wrangler at Chrysler Group's Toledo Assembly complex in Toledo, Ohio. (Associated Press)

President Obama tours Chrysler Group's Toledo Supplier Park in Toledo, Ohio, on Friday. "We´ve got a ways to go. Even though our economy has created more than 2 million private-sector jobs over the past 15 months and continues to grow, we´re facing some tough headwinds," he said.

President Barack Obama walks to the Oval Office of the White House in Washington, Friday, June 3, 2011, as he returned from Ohio. (AP Photo/Carolyn Kaster)

**FILE** In this photo from May 31, 2011, President Obama speaks in the State Dining Room of the White House. Republicans and Democrats scolded Obama on June 3, 2011, for dispatching U.S. forces against Libya without getting congressional approval. (Associated Press)

President Obama acknowledges reporters on June 3, 2011, before greeting workers during a shift change at Chrysler Group's Toledo Supplier Park in Toledo, Ohio. (Associated Press)