Defense Secretary Gates's war of necessity against wasteful spending - Editorial

DEFENSE SECRETARY Robert M. Gates spent his first two years focused on the wars in Iraq and Afghanistan, in each case backing a "surge" to turn around U.S. fortunes. Now, with his time in office probably dwindling, he's taken on a final mission: reforming Pentagon spending so that the United States will be able to maintain its military forces in an era of fiscal austerity. Though the outcome of a war isn't at stake, it's crucial that Mr. Gates succeed.

Mr. Gates's last battle : The defense secretary launches a war of necessity...