Jon Stewart took on Rick Santorum for his growing list of strange similes for gay marriage.
Stewart noted that the Republican presidential candidate had taken a turn as a "motivational food court speaker" and said during a stop at an Iowa grocery store that calling the relationship of two men a marriage is like calling a napkin a paper towel.
"His point is well taken," Stewart said. "It's the slippery slope argument. If people start using paper towels as napkins, what's next? Sleeves, drapes, mouth-on-dog wiping? Moral chaos!"
For a complete list of completely weird comparisons Santorum has made, check out our story, "Metaphors for Marriage, With Rick Santorum."