"Today Ira Isaacs, a self-described "shock artist," was sentenced to four years in federal prison for shocking people a little too much.

Federal prosecutors had to try Isaacs three times before winning a conviction. According to Morality in Media, Isaacs' sentence "sends a strong message to the porn industry and to the U.S. Department of Justice that the sexual exploitation of women by pornographers is wrong."*

Where do we draw the line for what's acceptable in "shock porn?" Where is the line between art and obscenity? That's what the maker of "2 Girls 1 Cup" is asking after he was sentenced to prison for obscenity. Ana Kasparian and John Iadarola discuss.

*Read more from Jacob Sullum/ Reason.com