If you think the hockey or the basketball or the baseball seasons are too long, take pity on the professional tennis player. The season just ended. It's time to put the racquet down, give those wrists and knees a rest, let the mind recuperate and rediscover enthusiasm for next year. But, unlike even the team sport athletes who play deep into post-season success, who have at least four months to work on conditioning and healing and regrouping, the tennis crowd will be Down Under in Melbourne for the Australian Open in one short month. It's too much, I tell you. Not just for the burned out and oft-injured players, but for us fans as well…