British Prime Minister Gordon Brown (R) greets US Vice President Joe Biden as he addresses a Joint Session of the US Congress at the Capitol in Washington on March 4, 2009 making him the fifth British prime minister to do so. Brown on March 3 became the first European leader to meet with US President Barack Obama in the Oval Office where the new US leader assured him that ties between Washington and London were unbreakable. Getty Images logo Getty Images 9 months ago

British Prime Minister Gordon Brown (R) greets US Vice President Joe Biden as he addresses a Joint Session of the US Congress at the Capitol in Washington on March 4, 2009 making him the fifth British prime minister to do so. Brown on March 3 became the first European leader to meet with US President Barack Obama in the Oval Office where the new US leader assured him that ties between Washington and London were unbreakable.