Photo Illustration by Luis G. Rendon/The Daily Beast/GettyFollowing the spectacular flame-out of doomed “centrist” news site The Messenger, owner Jimmy Finkelstein left hundreds of employees high and dry without severance pay or health insurance—prompting them to file a class-action lawsuit, citing New York worker protection laws. And staffers are particularly incensed, The Daily Beast has learned, because an employee handbook—put together by The Messenger’s HR department—promised severance in t