HAIL HAMBURGERS: The five presidents who appeared...

HAIL HAMBURGERS: The five presidents who appeared at the Reagan Library opening Monday didn’t grab all the attention. Orange County’s Carl N. Karcher, who appears in his own Carl’s Jr. commercials, was surrounded by teen-agers seeking to have their picture taken with him. . . . “He’s an idol of kids throughout America,” said Annie Almaraz, 17, of Ventura. “You see him on TV, and we eat at his place more than at home.”