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Mark Kirk

David Letterman, Al Franken to headline Senate candidate's fundraiser

WASHINGTON _ Two retired comedians will take the stage in New York later this month at a fundraiser to benefit Illinois Rep. Tammy Duckworth, the leading Democrat running to challenge Republican Sen. Mark S. Kirk next fall.tmpplchld David Letterman, who retired this year after three decades hosting the "The Late Show" on CBS, and Sen. Al Franken, who gained his own fame from his time as a writer and performer on NBC's "Saturday Night Live," will headline the event to benefit the Duckworth Victory Fund.tmpplchld The fundraiser is described on an invitation as a night of "serious fun." To attend, a donor has to RSVP and send minimum contribution of at least...