Hillary Clinton and Joe Biden should switch jobs. Really. It makes sense for the Democrats, actually. Clinton has done an incredible job as secretary of state. First of all, she has worked harder than anyone should ever be expected to. She has managed to do the impossible: She is the ambassador of the United States to the world, maintaining her credibility while playing the bad guy to President Obama's good guy, such as with North Korea, Iran and Israel, and still looking good. She has been a true team player. If Clinton is dissatisfied with her role, you would never...