From Glenn Beck to Jon Stewart and Stephen Colbert, talk show hosts are encouraging their fans to get involved. But will they spark longer-term political activism?
The Comedy Central's Jon Stewart and Stephen Colbert are drawing closer to the institutions they love to mock. President Obama even gave a nod to their upcoming rallies in Washington. When that happens, they need to retreat, analysts advise.
Sarah Palin and Glenn Beck's ascent has taken ribbing from Keith Olbermann and the Huffington Post, but the left lacks a mobilizing media mouthpiece of its own.