First he belittles Sarah Palin’s daughter and now we learn he’s been banging the help.

Letterman tried to get a laugh by saying New York Yankees slugger Alex Rodriguez impregnated the governor’s teenage daughter when Palin & her daughter were seen at a Yankee’s game, when the firestorm started he apologized. See Late Night OG David Letterman apologizes to Sarah Palin

Letterman has admitted having sex with more than one woman who worked for him on his late night talk show. Letterman has made a public apology to his wife, Regina Lasko, who, he said, had been “horribly hurt.”  See Stephanie Birkitt, woman in the center of ‘Lettergate’, banned from Late Show set

Hmmm, Buzz might need to dig deeper and see if there is there is more evidence. Use “comments” to remind us of other evidence of “Lettergate.”

Birkitt was an assistant to Letterman, the Late Show host, and later became his personal attorney.

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A security worker on the show said: “Security got a verbal order that she is ‘banned’ from the property for the time being.”

However, Letterman’s production company, Worldwide Pants, denies the allegation & insists she is away from the set on leave.

“Stephanie is on paid leave of absence … she has not been banned from the Ed Sullivan Theater,” a statement said.

Robert Halderman – the ex-boyfriend of Stephanie Birkitt – found out about the pair’s secret relationship and then allegedly threatened to release the scandalous information unless Letterman forked over $2 million, Halderman was arrested for this crime but is free on bail.

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Halderman claims Stephanie wrote all about her affair with Letterman in her private diary, says Halerman:

She also wrote Dave some “trashy” love letters that will embarrass them both if and when they become public.

Letterman has admitted having sex with more than one woman who worked for him on his late night talk show.

Letterman has made a public apology to his wife, Regina Lasko, who, he said, had been “horribly hurt.”

The comedian’s confession and apology, both featured on his show, have been ratings winners, with more viewers tuning in to his CBS program than anything on the rival NBC network.

The 5.7 million viewers who watched Letterman on Monday was more than double the audience for NBC’s “Tonight” show with Conan O’Brien.

Palin slammed Letterman last week after he tried to get a laugh by saying New York Yankees slugger Alex Rodriguez impregnated the governor’s teenage daughter when they recently attended a game at Yankee Stadium.

Letterman explained he wasn’t referring to the Republican former vice presidential nominee’s 14-year-old daughter, Willow — who was at the game with Palin — but was instead poking fun at Palin’s single-mom, 18-year-old daughter, Bristol, who was not at the game.

During the taping of Monday night’s “Late Show” show in New York, Letterman said he wanted to apologize “to the two daughters involved, Bristol and Willow, and also to the governor and her family and everybody else who was outraged by the joke.”

He told his audience he had mixed up the two Palin daughters, The New York Times said Monday, and accepted responsibility for the mistake.

“I told a joke that was beyond flawed, and my intent is completely meaningless compared to the perception,” Letterman said.

New York State Assemblyman Brian Kolb is co-sponsor of a Web site calling for Letterman to be fired. The San Jose (Calif.) Mercury News said the proprietors of FireDavidLetterman.com are organizing a rally Tuesday outside the New York theater where Letterman’s is produced.

“Firing Mr. Letterman would send a clear message that CBS will not tolerate any of its employees, even an established media figure like Mr. Letterman, making demeaning and degrading comments about women,” the Mercury News said Kolb wrote in a letter to CBS chief Les Moonves.