Only a two-dimensional caricature listens to Tupac, and then decides to be a bad father. Only a two-dimensional caricature sees the election of Obama and then says, "Hmmm, guess this means I can't listen to Jeezy anymore." Only two-dimensional caricatures say, "Hmm, got a black president, better pull my pants up."
In the real world, where real people live, and breath real air, a multitude of forces--cultural, social, economic, etc.--weigh on people. Barack Obama will certainly change something about black culture. But anyone who's spent any time around actual people should know better then to act like they know what that is, or how it will play out. These guys are Skip Bayless, telling you who's going to the Super Bowl next year.
This article available online at:
http://www.theatlantic.com/entertainment/archive/2009/01/obama-as-the-end-of-hip-hop-culture/6606/