JERUSALEM (AP) - Israel would not be able to destroy Iran's nuclear installations with a single air strike as it did in Iraq in 1981 because they are scattered or hidden and intelligence is weak, Israeli and foreign analysts say. Israeli leaders have implied they might use force against Iran if international diplomatic efforts or the threat of sanctions fail to stop Iran from producing nuclear weapons. Israeli Prime Minister Ariel Sharon said this month Israel is "taking measures to defend itself" - a comment that raised concern Israel is considering a pre-emptive strike along the lines of its 1981...