WASHINGTON (AP) - American troops in Iraq died in May at a rate of more than two per day, pushing the combined death count for April and May beyond 200, according to Pentagon figures. For the National Guard and Reserve, whose part-time soldiers make up at least one-third of the 135,000 American troops in Iraq, the trend in casualties during May was especially troubling. At least 22 citizen soldiers died, nearly one-third of all U.S. losses in May. As a percentage of the month's death toll, that is about double what it had been in most previous months of the...