Military Advantage: Our defense secretary proposes doing what no other foreign adversary has done: sink the U.S. Navy. We don't need those billion-dollar destroyers, he says. Meanwhile, the Chinese navy rushes to fill the vacuum. Once Britannia ruled the waves, later to be replaced by America and its Navy. From the Battle of Midway to President Reagan's 600-ship fleet that helped win the Cold War, naval supremacy has been critical to the protection and survival of our nation. Which is why we find the recent remarks of Defense Secretary Robert Gates to the Navy League at the Sea-Air-Space expo so...