Any list of the great TV characters of the 1980s would have to include Bill Cosby as Dr. Cliff Huxtable on ''The Cosby Show'' (which ran from 1984-1992), Ted Danson as Sam Malone on ''Cheers'' (1982-1993), Michael J. Fox as Alex P. Keaton in ''Family Ties'' (1982-1989) -- and Ronald Reagan as the president of the United States in ''The Reagan Years'' (1981-1988). He was not only the president, he played one on TV. In politics, Reagan achieved something he never managed in show business: He became an A-list star. Forget about all those years playing second fiddle in the...