The forthcoming KCRW program guide will show writer/producer Rob Long with a new slot in the commentary lineup during "All Things Considered." His four-minute spot on Hollywood to be called Martini Shot will air Wednesdays at 6:44 p.m. on KCRW (89.9 FM), starting June 2. Long wrote for and was co-executive producer of "Cheers'' and has a production company based at Paramount. He wrote the book Conversations with My Agent and is a contributing editor of National Review.