BAGHDAD (AP) - Iranian intelligence operatives have been training Iraqi fighters inside Iran on how to use and assemble deadly roadside bombs known as EFPs, the U.S. military spokesman said Wednesday. Commanders of a splinter group inside the Shiite Mahdi Army militia have told The Associated Press that there are as many as 4,000 members of their organization that were trained in Iran and that they have stockpiles of EFPs, a weapon that causes great uneasiness among U.S. forces here because they penetrate heavily armored vehicles. U.S. military spokesman Maj. Gen. William Caldwell would not say how many militia fighters...