Heston stepping down as NRA presidentMovie star Charlton Heston has been the NRA's public face for five years.THE ASSOCIATED PRESS4/25/2003 ORLANDO -- Charlton Heston brought more than passion for a cause as president of the National Rifle Association: His prominence as a movie star helped amplify the group's gun-rights message and put supporters in the White House and Congress. As the NRA's public face for five years, he successfully steered the organization through several public relations disasters involving shootings, including the Columbine High School massacre in 1999, and even won the grudging respect of his philosophical opponents. The NRA's annual...