PM David Cameron in Washington (15 images)

United States President Barack Obama holds a bilateral meeting with Prime Minister David Cameron of the United Kingdom in the Oval Office of the White House in Washington, D.C. on Tuesday, July 20, 2010. UPI/Ron Sachs/Pool

United States President Barack Obama (R) and British Prime Minister David Cameron hold a joint press conference in the East Room of the White House in Washington on July 20, 2010. Cameron is making his first visit to the United States 10 weeks after taking office. UPI/Pat Benic

United States President Barack Obama holds a bilateral meeting with Prime Minister David Cameron of the United Kingdom in the Oval Office of the White House in Washington, D.C. on Tuesday, July 20, 2010. UPI/Ron Sachs/Pool

President Barack Obama (R) and Prime Minister of the United Kingdom David Cameron hold a joint press conference in the East Room of the White House in Washington on July 20, 2010. UPI/Kevin Dietsch