Suicide attacks outpaced car bombings almost 2-to-1 in May, according to figures compiled by the U.S. military, The Times and other media outlets. In April, there were 69 suicide attacks, more than in the entire year preceding the June 28, 2004, hand-over of sovereignty. U.S. officials and Iraqi analysts say the insurgents' resources are increasing on several fronts: money to buy vehicles and explosives, expertise in wiring car and human bombs and intelligence leaks that help them target U.S. and Iraqi forces. Coalition officials acknowledge, however, that the numbers show an Iraqi-dominated insurgency. Fewer than 5% of those killed or...