Hillary Rodham Clinton will try to exploit the much-vaunted “Colbert bump” by appearing on Stephen Colbert’s Comedy Central show Thursday night.

He claims he IS America in the title of his best-seller, I Am America (And So Can You!). So why is it so surprising that Stephen Colbert has announced he’s running for president?

For starters, Colbert is running only in South Carolina. And he’s a comedian.