Former Arkansas governor Mike Huckabee launches his syndicated radio show today, in the same timeslot as Rush Limbaugh. The new competition comes at a time when Limbaugh's ratings have been falling quickly.

Over the weekend, conservative talk-radio host Rush Limbaugh publicly apologized for the language he's been using to attack a Georgetown law student.

The comedian on Rush Limbaugh losing his Pro Flowers sponsorship and the effect on free speech that sponsors may wield.