Geopolitics: Radical chic is thriving in the whirl of parties at the United Nations these days, and no one is being courted more solicitously as one of the downtrodden than Evo Morales of Bolivia. You remember "radical chic," don't you? The 1960s and 1970s phenomenon, described by Tom Wolfe in his "Radical Chic and Mau-Mauing the Flak-Catchers" tells how New York's glitterati threw black-tie parties to court supposedly "real" revolutionaries — like Black Panthers, Puerto Rican separatists or Indian liberationists — in a bid to feel "authentic." It's been a long time, but radical chic isn't dead. Which explains why...