Rappers Real Names VS. Republican Congressmen

Can you identify whether this is a Congressman for the G.O.P. or the real name of a rap star?

The Worst of The Rob is about to begin on 106.1 KISS-FM!  Every Saturday morning from 8-noon you can tune in or listen live online to hear some of the best (and WORST) segments from the history of The Rob's Radio Show!  Today's show will be a lot of fun, including segments like these!
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• Which do people like better...  Congress VS. Dog poop
• A Fall Festival wedding
• Other bizarre Fall Festivals
• What annoys you about Facebook
• It Came From Evansville Watch
• THIS segment...  Can you pick out whether the name is that of a Republican Congressman or a successful rapper?