U.S. Deaths In Iraq Fell Sharply In May. (New York Times)…Andrew E. Kramer, June 2, 2008, Pg. 5
…There have been troughs in American casualty rates before, only to be followed by increases. Just on Sunday, an American soldier was killed by a roadside bomb in Baghdad. The military has instead focused on falling rates of enemy attacks, among other indicators, as a measure of improving security.