One night in 1978, President Jimmy Carter got a phone call at 3 a.m. from a top adviser who was visiting China. 1978年的一个晚上，吉米·卡特总统在凌晨三点接到了一位正在中国访问的高级顾问的电话。 “Deng Xiaoping insisted I call you now, to see if you would permit 5,000 Chinese students to come to…