Prime Minister David Cameron Holds Trilateral Summit With Afghanistan's President Karzai And Pakistan's President Zardari

ELLESBOROUGH, UNITED KINGDOM - FEBRUARY 04: Prime Minister David Cameron hosts a trilateral meeting with President Hamid Karzai of Afghanistan (L) and President Asif Ali Zardari of Pakistan (R) at the Prime Minister's country home of Chequers on February 4, 2013 in Ellesborough, England. Pakistan's President Asif Ali Zardari and Afghanistan's President Hamid Karzai have travelled to the UK to meet the British Prime Minister who instigated these trilateral talks last year. The discussions are due to focus on cross border security and methods to engage the Taliban in effective peace talks. (Photo by David Parker - WPA Pool/Getty Images)