Nudnik - n. U.S. colloq. Esp. in Jewish usage: a pestering, nagging, or irritating person
In short, who exactly does not like the United States and why? First, almost all the 20 or so illiberal Arab governments that used to count on American realpolitik's giving them a pass on accounting for their crimes. They fear not the realist Europeans, nor the resource-mad Chinese, nor the old brutal Russians, but the Americans, who alone are prodding them to open their economies and democratize their corrupt political cultures. We must learn to expect, not lament, their hostility, and begin to worry that things would be indeed wrong if such unelected dictators praised the United States.In another excellent article, he criticizes the hypocrisy and ridiculousness of those Senators opposing him.