Commentary Last week in Anchorage, Alaska, Chinese diplomats dressed down Secretary of State Antony Blinken and national security adviser Jake Sullivan. Both seem stunned by the broadsides. Not since newly elected President John Kennedy was humiliated at the Vienna summit in June 1961 by USSR strongman Nikita Khrushchev have American diplomats been so roughly manhandled by a Communist government. China’s defiant provocations are not just verbal. Nor are they aimed only at our high officials. New York University students at a satellite campus in Shanghai were manhandled and jailed by Chinese authorities in two separate incidents earlier this month. Some U.S. diplomats in China were recently subjected to anal swab testing for COVID-19—supposedly “in error.” These examples of humiliation and harassment could be multiplied. China has engaged in the insidious and systematic theft of U.S. patents and copyrights. It brazenly violates trade agreements, manipulates its currency, dumps products below cost …