R.I.P. Jeff Conaway

Jeff Conaway, who starred in ABC's “Taxi" and played Kenickie in the movie musical “Grease,’’ and publicly battled drug and alcohol addiction on “Celebrity Rehab" has died. He was taken off life support Thursday and died yesterday morning at Encino Tarzana Medical Center, according to one of his managers, Kathryn Boole. He was 60