U.S. Assistant Secretary of State Christopher Hill touches his forehead while speaking to the media after his meeting with North Korea's Kim Kye-gwan in Singapore April 8, 2008. North Korea's top nuclear envoy said on Tuesday talks in Singapore with his U.S. counterpart on drawing up an inventory of its nuclear activities "went well," South Korea's Yonhap news agency said. REUTERS/Vivek Prakash (SINGAPORE)