Conan O'Brien Books All 5 of Mitt Romney's Sons

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Before presumptive Republican presidential candidate Mitt Romney makes the rounds with late night talk shows, he's testing the waters with five delegates: his sons.

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All five of the Romney boys -- Tagg, Matt, Josh, Ben and Craig -- are set to make their late night debut on Wednesday's episode of Conan. The TBS series announced Monday that it would host the Romneys during Wednesday's broadcast, putting Conan O'Brien, who mocked Romney's compassion for "the underprivileged" in a recent THR cover story, in the position to navigate a rather large interview.

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Their father has thus far kept his distance from giving too many TV interviews. Romney, who did appear on CBS' Face the Nation on Sunday, has thus far only made on late night appearance during the election cycle -- and that was to deliver the "Top Ten" list on The Late Show With David Letterman. President Barack Obama most recently appeared on Late Night With Jimmy Fallon, and First Lady Michelle Obama has made 2012 appearances on Letterman, The Tonight Show and The Daily Show.

Though presidents have been making appearances on late-night since the Kennedy administration, it's only become an election year destination since Bill Clinton brought his saxophone rendition of "Heartbreak Hotel" to The Arsenio Hall Show during the 1992 race.