The flu scare has nearly everyone edgy. CNN isn’t helping — a friend sent me a note that their TV coverage yesterday was labeled “Humanity Under Threat.” Come on. Sure, it’s a serious concern, but that’s just outright fearmongering. Is there a silver lining to the 24-7 flu news bombardment? If you wanted to travel to Mexico, there is. Much as Warren Buffett says the time to buy stocks is when fear is highest, I’m taking a close look at travel to Mexico right about now.