Be careful, very careful, about embracing anything Stephen Colbert or Jon Stewart or Saturday Night Live or any of the other liberal entertainment media types do.
Sometimes it is very, very funny. Stewart in particular is an equal opportunity mocker, and seems the least malicious of the bunch.
But Chuck Todd is right in this clip addressing Colbert. Colbert is not attacking the system, he is trying to marginalize Republicans (via John Nolte) much in the way Saturday Night Live marginalized Sarah Palin by creating a caricature of her: