The U.S. military is getting ready to leave Iraq and Afghanistan. The next threat is much bigger/…/ Highlighting one of the fastest military buildups in history was China’s debut of its stealth jet just hours before the January visit to Beijing by outgoing U.S. Defense Secretary Robert Gates. The fighter will rival the U.S.’s F-22 Raptor, the world’s only operational stealth fighter. Larger than the F-22, with bigger fuel tanks, it will fly higher, faster and with less chance of detection. It’s one of many Chinese weapons that will impede the U.S. military’s ability to roam freely in the region. An Asian arms race is getting under way, driven by China /…/