The Business and Future of Space Exploration

From personal satellites to tourism, space travel is going private.  With NASA no longer sending shuttles up, what does that mean for exploration and scientific research? Can private companies lead the way to this final frontier? Also, Attorney General Eric Holder is taking on Texas and its voting laws. Today, he announced the Justice Department will require Texas to clear any changes in its laws with his office, and later we'll talk about how Rick Santorum has left politics hoping to wield power through popular culture.