By Associated Press 10/18/2012 07:43 AM EDT Updated: 10/18/2012 09:37 AM EDT NEW YORK (AP) - Newsweek plans to end its print publication after 80 years and will shift to an online-only format starting in early 2013. Job cuts are expected. Newsweek’s last U.S. print edition will be its Dec. 31 issue. Barry Diller, the head of the company that owns Newsweek, had announced in July that the publicatio