CHICAGO - Barack Obama is coming for that Number One Spot.

The senator, contemplating a run for president, met privately with Ludacris on Wednesday. “We talked about empowering the youth,” said the rapper, whose real name is Chris Bridges.

Ludacris was in town to launch the YouthAIDS “Kick Me” campaign to raise HIV/AIDS awareness during a stop at Northwestern University in the Chicago suburb of Evanston. READ MORE