Afghanistan, Iran plan cooperation pact amid tensions with U.S. --- (Reuters) - Afghan President Hamid Karzai agreed on a cooperation pact with Iran on Sunday, an Afghan official said, while continuing to resist signing a long-term security agreement with the United States. -- Karzai struck the deal with Iranian President Hassan Rouhani in Tehran in a move that will be greeted with suspicion by his U.S. ally, which is trying to convince him to sign the security accord governing any post-2014 U.S. presence in Afghanistan. -- "Afghanistan agreed on a long-term friendship and cooperation pact with Iran," Karzai's spokesman Aimal Faizi said. "The pact will be for long-term political, security, economic and cultural -- Many Afghans believe such a bargain with Iran, at odds with the United States since the 1979 Islamic revolution, may harm Afghanistan's uneasy relationship with its Western allies. -- Iran has long opposed NATO's presence in Afghanistan and is the only country to have asked Karzai not to sign the agreement - More, Hamid Shalizi - Reuters