International Herald Tribune: On the surface, the accomplishment of the two-week UN climate conference that concluded this weekend in Bali seems meager: Thousands of delegates representing nearly 200 nations agreed to talk more, laying out a "road map" for negotiations that will in theory produce a climate treaty by 2009. Even this baby step required sleepless, volatile negotiations that continued to the last hours of the conference, with the U.S. delegation refusing to go along, until its lead …