If Obama can't execute his strategy against Islamic State, what good is it?

To the editor: Doyle McManus quotes former U.S. Ambassador to Iraq Ryan C. Crocker as saying about the fight against Islamic State, "The administration's strategy is a good strategy — but it only gets done if you actually do it." ("Obama has a strategy for fighting ISIS -- one that isn't working," op-ed, May 23) In the real world, execution is part of a strategy; the two are not separate. Where in the world is a strategy a good one if it cannot be executed? John Thompson, the famous Georgetown University basketball coach, deployed his normal slow and defensive strategy in the 1988 Olympics with an athletic and offensive team, and it cost the U.S. a...