washington top republican u.s. senate tuesday reject president donald trump suggestion party change chamber rule undercut ability democrats block legislation filibuster overwhelm majority bipartisan basis interest change way senate operate legislative calendar senate majority leader mitch mcconnell tell reporters mcconnell respond question tweet trump suggest change rule legislation could pass simple majority vote currently rule require super-majority 60 vote overcome filibuster version story correct third paragraph say require super-majority instead request super-majority top senate republican reject trump filibuster idea