Convention at LV Hilton can bring out a little Andorian in anyone It must be difficult to publicly maintain that you are not a geek when, in fact, your T-shirt proclaims as much, and you're standing next to your big sister at a "Star Trek" convention. Nevertheless, that's what Jim Moorhouse did Thursday, the first day of this year's trekkie gathering at the Las Vegas Hilton: the fourth annual Official Star Trek Convention. "I like to say I'm destroying the stereotype because I'm cool," said Moorhouse, 38, a public relations rep for a sports league who really did seem like...