DUBAI/ASHEVILLE, Sept. 1 -- US President Donald Trump on Monday promised further strikes against Iran after the first tit-for-tat attacks in a month, as a conflict that had lately settled into an economic standoff threatened to escalate into open fighting again. Iran launched missiles overnight at two US air bases in Jordan in response to a U.S. attack on Iran's Larak Island, where Washington said it had struck Iranian launchers firing mines into the Strait of Hormuz.P9...