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BABY BOON

Fatherhood has been good to David Letterman. His Late Show trailed The Tonight Show With Jay Leno by just six-tenths of a ratings point last week, the smallest margin since February 2000. Letterman announced his son's arrival on last Tuesday's show.

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Fatherhood has been good to David Letterman. His Late Show trailed The Tonight Show With Jay Leno by just six-tenths of a ratings point last week, the smallest margin since February 2000. Letterman announced his son's arrival on last Tuesday's show.