Beta is the new alpha, haven't you heard? More specifically, beta males may make the better mate, since they aren't as likely to be as stressed out as the numero unos. But attraction isn't always a science, and there's still something about those alpha males, isn't there? In almost every famous dynamic duo there's a leader who calls the shots and his trusty companion. When it comes to these alpha/beta pairings, would you go for the second in command or the head honcho?