Iran’s Supreme Leader Ayatollah Ali Khamenei approved the attacks on Saudi oil infrastructure, a U.S. government official told CBS, adding that the approval had been granted on the condition that Iran’s involvement could be denied. If what other U.S. officials are saying is accurate, this condition has not been met, however. Earlier this week, a team of U.S. security experts who traveled to Saudi Arabia to examine the wreckage of the drones and cruise missiles fired against Aramco’s Khurais field and the Abqaiq processing…