Frank Kendall, the Pentagon's acquisition chief, said Wednesday that ongoing "political gridlock" in Washington over the future of government spending has become the greatest threat facing the United States. "The threat that I am most concerned about is not Chinese modernization; it's not that we're not bringing technology in as quickly as we could be," he said at the National Press Club. "It's political gridlock here in Washington that prevents us from getting a reasonable defense budget and getting on...