Republicans successfully filibustered the nation's defense authorization bill hours ago, edging close to gridlock history. If scotched this year, the bill will be the first of its kind in 48 years to fail to pass. Republicans objected on procedural and philosophical grounds. They resented Majority Leader Harry Reid's including two controversial amendments with the bill: the immigrant youth "path to citizenship" DREAM Act and the "Don't Ask, Don't Tell" policy repeal that would allow gays in the military to serve openly. Many Republicans also believed the two amendments would make bad law.