Rodney “Rocky” Sickmann is devoutly religious.  So religious in fact that before he left home for the challenges of Marine Corps bootcamp, his mother gave him a simple message: “Make sure you pray, because someday you’re going to need that.”  No kidding.  On Nov. 4, 1979, while working as a guard at the U.S. Embassy in Tehran, Iran, Sickmann became one of 66 American hostages captured by Iranian revolutionaries. Sickmann, a staff sergeant, would be held captive for 444 days in what became known