Scientology's chief cheerleader Tom Cruise helped tempt David Beckham to L.A., fueling speculation the soccer ace and his wife may become the church’s next celebrity converts. Beckham said yesterday a late-night phone chat with the “Mission: Impossible” star helped seal his decision to move stateside. The soccer great and his wife, Victoria (Posh Spice) Beckham, are close buddies with Cruise and his spouse, Katie Holmes. “I talked with [Cruise] for about an hour last night and an hour the night before,” Beckham said at a news conference held yesterday to discuss his five-year, $250 million deal with the Los Angeles...