"A lot of folks didn't even think blacks had the tools to be a quarterback. When I was a graduate, the main black hero on TV was Mr. T. Rap and hip-hop were counter-culture. Now (Scandal and Grey's Anatomy producer) Shonda Rhimes owns Thursday night and Beyonce runs the world." U.S. President Barack Obama jokes about the cultural shift in today's society during a commencement speech at Howard University in Washington, D.C.