Eighteen Army soldiers committed suicide while deployed in Iraq last year, pushing the service's suicide rate slightly higher than the annual average, Dr. William Winkenwerder, the assistant secretary of defense for health affairs, said today. Winkenwerder said the Defense Department has confirmed 21 suicides committed by U.S. troops in the Iraq theater, adding that DOD officials do not see a trend that suggests the services should do anything different in suicide prevention. The Army's annual suicide rate is 10.5 to...