Bush sings. Cheney dances. The president even thinks on his feet, citing Netflix as one of the most successful programs of his administration and offering some of his favorite uplifting quotations from the Bible: "Be all that you can be." "Reach out and touch someone."

It's "The Dick 'n Dubya Show: A Republican Outreach Cabaret." Master comic Ed Holmes (Dick) and his lovable sidekick Amos Glick (Dubya) reprise their penetrating caricatures from past San Francisco Mime Troupe shows in a new satire created with director Bill Allard (of Duck's Breath Mystery Theatre). A popular success at the Marsh Berkeley last fall, "D 'n D" reopened over the weekend in an expanded version at the San Francisco Marsh.

It's more an extended skit than a fully worked out satire, but it's the extensions -- the padding of the main gag -- that carry the most comic punch. The songs, "Cakewalk to Baghdad" and "There's No Future Left for the Left" (by Bruce Barthol, Glick and Joshua Raoul Brody), are particular treats, as is Dubya's attempt at Fallujan throat singing. A TV pilot videotape for "The Right Wing" is pretty cute. If the question-and-answer sessions are limited by the questions the audience asks, Glick's speech composed of actual Bush-isms is (sadly) hilarious.

That's one of the big problems with satirizing Bush. It's as impossible to exaggerate his verbal gaffes as it is the corruption, cronyism, militarism and deviousness of his administration. The show needs to find a payoff for its running gag about converting its audience into Republicans, but Holmes' devastatingly dyspeptic Dick, Glick's comically out-of-his-depth, take-charge Dubya and Allard's ominous Secret Service goon offer some much-needed laughs in dark times.