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Zach Galifianakis smokes joint on 'Real Time With Bill Maher'

Friday night's "Real Time With Bill Maher" featured a roundtable discussion about California's Proposition 19, which if passed, would legalize marijuana in the state. It also featured "Hangover" star Zach Galifianakis actually smoking marijuana.

Shortly after describing support for the measure as "a tricky thing politically," Galifianakis pulled a joint from his pocket and began smoking.

The action briefly interrupted the debate and left Maher's other guests laughing, including conservative panelist Margaret Hoover, who confirmed the actor was indeed enjoying the real deal.

Watch as the panel from MSNBC's "Morning Joe" take a closer look at Galifianakis' political statement: