AIDS Benefit: The stars will come out for "Heart Strings: The National Tour," a musical performance with Sandy Duncan, Christopher Reeve, Jason Bateman, Judith Light, Katherine Helmond, Lucie Arnaz, Lawrence Luckinbill, Lynn Redgrave and John Clark at the Wiltern Theatre on Jan. 20. Billed as "an evening of hope for the healing of AIDS," the show will tour 30 cities in the United States during the next few months. Its aim: to raise $4 million to help with the AIDS crisis. The event is sponsored locally by Design Alliance to Combat AIDS. Its honorary chairs are Elizabeth Taylor and former President and Mrs. Jimmy Carter.