WATCH: Conan's Big Debut

Conan O'Brien's debut as host of the fabled Tonight Show Monday earned its biggest in four years. His first guest Will Ferrell, who garnered a Tony nomination for his Broadway portrayal of George W. Bush, jokingly accused rival nominee Liza Minnelli of being a Communist – not that that would influence the Tony voters! (Photo: WENN)

Watch Will's Tony campaign effort here:

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