<正> Supporters applaud his enthusiasm, street-wise ways and ability to ram1 projects througha sluggish bureaucrasy. Critics shudder2 at hislanguage, fault his personality and mock his graspof world affairs. Charles Z. Wick is tha kind of man. Peopleare for him or3 against him, but rarely indifferent. As director of the USIA since 1981, Wickhas proved. say his aides, a quick learner and an