He wasn't, because he couldn't afford to. He wanted in the war, badly, and a lot of that stemmed from the facts that 1) the US economy was still faltering and a war would spur industry and save his legacy and ideology; 2) Germany was going to destroy Western Europe this time; and 3) he had boxed himself out of diplomatic options and the only way to save face was to fight. There were many other reasons, but those three are often overlooked.
America needs to understand that our troops are not 'disposable'. Each represents a family; Fathers, Mothers, Sons, Daughters, Cousins, Uncles, Aunts... Our Citizens are our most valuable treasure; we waste far too many.
