Ronald Reagan is waving to crowds again — as a hologram

Simi Valley, Calif. • A smiling Ronald Reagan waves to a crowd from aboard a rail car during a 1984 campaign stop in a new hologram revealed Wednesday at the late president’s namesake library in Southern California."We think we made a good beginning, but you ain't seen nothin' yet!" the high-tech digital resurrection of the nation's 40th president exclaims in his steady voice, with a twinkle in his eye.Reagan, who died in 2004, also shows up in a suit and tie inside the Oval Office an