David Cameron, U.K. prime minister, speaks during a news conference with Manmohan Singh, India's prime minister, unseen, at Hyderabad House in New Delhi on Feb. 19, 2013. Photographer: Graham Crouch/Bloomberg
David Cameron, U.K. prime minister, speaks during a news conference with Manmohan Singh, India's prime minister, unseen, at Hyderabad House in New Delhi on Feb. 19, 2013. Photographer: Graham Crouch/Bloomberg