Now that the Democratic and Republican parties have their unofficial presidential candidates (they’re not official until the party conventions in August), the new game is trying to guess who they’ll pick to be their vice president. The role of the presidency is often in the news, but the vice presidency is typically a little more enigmatic to most people. Joel Goldstein, a law professor from St. Louis University, just gave a really interesting interview to NPR today about the evolving role of the vice president…

Listen to the NPR Interview