WATCH: Conan O'Brien and David Letterman Bash Jay Leno

For the first time in 13 years, late-night talk show hosts Conan O'Brien and David Letterman reunited on CBS' Late Show with Davis Letterman, and as anyone could guess, Jay Leno came up in conversation.

Source: http://www.ivillage.com/conan-obrien-talks-jay-leno-david-letterman-show/1-a-457180?dst=iv%3AiVillage%3Aconan-obrien-talks-jay-leno-david-letterman-show-457180

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