Affirming the trial court and discussing that court's interpretation of a local District Court rule, finding no prejudicial error based on the denial of oral argument in a summary judgment motion because the party "had the opportunity to apprise the district court of any arguments it believed supported its position. . . ."

noting the "considerable confusion" over whether to apply the O'Brien analysis or the Renton analysis, but concluding that Renton applied where the regulation was similar to that found in Renton, and in any event, that "the answer should be the same regardless of which analysis is used"