RELEASED IN 1951 and directed by Lewis R. Foster, “The Last Outpost” (re-released in 1962 as “Cavalry Charge”) chronicles events in Arizona during the Civil War where two brothers, officers for the Confederacy and Union (Ronald Reagan and Bruce Bennett), have to settle their differences to protect the outpost/town of San Gil from an Indian attack. Rhonda Fleming plays the former’s maybe babe. The old-fashioned style of filmmaking takes a while to acclimate to if you’re used to newer movies. It doesn’t help that the talky, contrived story is so convoluted that it takes forever to become…