Now that's how you campaign.
After hearing President Obama kill Al Green's "Let's Stay Together" last month, Chicago natives B.B. King and Buddy Guy convinced him to join them for a rendition of "Sweet Home Chicago." It's not perfect, but he had to get in on the hometown anthem.
He may not be the illest crooner of all-time, but if he wanted to drop a little six-song cover album this summer, few would be mad at him.