From People.com With Dakota Fanning tapped for the role of Volturi vampire Jane in Twilight sequel New Moon, the casting of Alec, Jane's undead twin brother, is director Chris Weitz's next challenge. Compared to Jane, "his hair was darker, and his lips were not as full, but he was just as lovely," writes author Stephenie Meyer of Alec in New Moon. Possessing the ability to numb a victim's se…