MSNBC has put together a “Dateline” special detailing the effort to kill Osama Bin Laden. The one-hour special, hosted and reported by Dennis Murphy, will run tonight at 10pmET on the cable news channel. NBC military analyst Gen. Barry McCaffrey (ret.) and former CIA Acting Director John McLaughlin take part. Meanwhile, over on NBC, Murphy reports a 2-hour crime-driven “Dateline” called “The Bathtub Mystery” a follow up to a story Murphy first reported two years ago. That’s at 9pmET/PT.