Fridays in prime time this month are devoted to “Dennis Miller and Friends.” The good news is that Miller invites a different friend each week, to show and discuss favorite films. (The better news: none of them is showing Miller’s Bordello of Blood.) Tonight, Miller’s guest is Martin Short – and that star’s cinematic Short list is an impressively intelligent roster. The Marx Brothers’ 1933 anti-war romp, Duck Soup, starts things off a