The Navy and Marine Corps' top civilian leader says China poses a greater threat to the U.S. than many Americans may realize. Navy Secretary Kenneth Braithwaite recently wrapped up a weeklong trip to the Asia-Pacific region, where he met with local leaders in Japan, Singapore, Guam and Palau, along with sailors and Marines operating there. Now back in Washington, D.C., Braithwaite said the U.S. is behind when it comes to competing with China -- and it must catch up quickly. "I think [China] is probably the greatest threat to our country that Americans, writ large, do not understand," Braithwaite said...