White House chief of staff Rahm Emanuel is getting ready to depart to pursue a run for mayor of Chicago, multiple reports say. Emanuel, the brother of WME Entertainment chief Ari Emanuel with a penchant for the same Hollywood-style linguistics, is expected to make an announcement at week’s end. 

Sarah Off the Stage: Spotted at the taping of “Dancing with the Stars” this evening: Sarah Palin, cheering on daughter Bristol. Not along for the trip: Alaska’s cooler weather.

Sarah Off the Stage II: Palin’s appearance may be the closest she gets to ABC or any other network. Politico reports that Fox News has contributor contracts with Palin, Mike Huckabee, Newt Gingrich and Mike Huckabee. All are 2012 hopefuls, putting other news outlets in the odd position of having to get clearance from a competitor in order for the possible candidates to make an appearance.

“C-SPAN Political
Editor Steve Scully said that when C-SPAN tried to have Palin on for an
interview, he was told he had to first get Fox’s permission — which the
network, citing her contract, ultimately denied. Producers at NBC, ABC,
CBS, CNN and MSNBC all report similar experiences.”

Obama on “Superman”: President Obama gives his endorsement of David Guggenheim’s “Waiting for Superman,” calling it “powerful,” Politico reports. Obama recently screened the movie in the White House Family Theater. Guggenheim directed the Obama biopic short for the Democratic National Convention. “Superman” did a solid $141,000 of business in its debut weekend in four theaters.

Against the Bill: Hollywood may be lining up in favor of Sen. Patrick Leahy’s bill to restrict Internet sites that traffic in pirated content, but opposition is mounting. David Segal, a Rhode Island state representative, calls it an “Internet blacklist.”

A Date for the Dinner: The finale of “Real Housewives of DC,” featuring the aftermath of the Salahis state dinner fiasco, will air on Oct. 7 on Bravo followed by a special, “Watch What Happens: Live,” featuring the couple and Bravo’s Andy Cohen talking even more about the incident and taking viewer questions.

Going to the Dogs: Raising money for Tom Tancredo, making an independent bid for governor of Colorado: Dog, the Bounty Hunter. Tickets cost $35.

McNally’s Play: Terrence McNally is staging his play “Some Men” on Oct. 4 at the Saban Theatre in Beverly Hills as a fund raiser for the Courage Campaign’s Testimony project, an effort to spread the word about the Prop 8 trial. The play chronicles the lives of gay men over the past 80 years and will be read by Alan Cumming, John Glover, Justin Kirk, Luke MacFarlane, Jason Ritter, Jeffrey Tambor and others. Jacobs, meanwhile, joins Gavin Newsom on Sunday for at benefit for Courage Campaign’s get out the vote efforts.

O’Donnell’s Debut: On the debut of his new MSNBC series “The Last Word,” Lawrence O’Donnell defended Stephen Colbert’s testimony before a House subcommittee after Majority Leader Steny Hoyer called it an “embarrassment.” O’Donnell pointed to an instance where Colbert got out of character and defended the rights of migrant workers.

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Tuesday Itinerary: Ben Harper performs as President Obama leads a rally on the campus of University of Wisconsin, Madison…California gubernatorial candidates Jerry Brown and Meg Whitman have their first debate at UC Davis.