It never hurts to have a little variety in the midst of the spring hardcourt swing through the U.S., so herewith another Iditarod story from Sunday's New York Times. As for the tennis, no surprise that Novak Djokovic survived getting schooled by Fish (haha) but what a surprising, and hopefully sustainable, week from the Floridian. Ana Ivanovic, meantime, took another step in her own drive for No. 1, and right now, you'd have to say the two Serbians are legitimate candidates to challenge for the top spot when November rolls around.