Sure. You can rap about politics (ask Chuck D.), but can you make anyone listen? Rappers have been dabbling in the social relevance of politics since "The Message" with mixed results. For every valiant effort at voter registration and education, there's some troglodyte in a "Vote Or Die" T-shirt who isn't even registered to vote.
The Snob is a member of the much maligned hip hop generation (as I remember when it was actually good!), so here's The Black Snob's top ten moments in the conjunction between politics and hip hop.