The key to Newt Gingrich's stunning success this past weekend? Clearly, it's his seemingly endless reserves of effervescent charisma.
Coverage continues with Al Madrigal and Mitt Romney's biggest fan.
The Daily Show airs Monday through Thursday at 11/10c.
Tags: Al Madrigal, Jon Stewart, Mitt Romney, Newt Gingrich, Primaries, Republicans, South Carolina, The Daily Show, Video