It's a Cakewalk that raises a question. Newark Mayor Cory Booker easily won the Aug. 13 Democratic primary for New Jersey's vacant Senate seat. But why does a rising star with a huge social-media following, a deep fundraising network and a gift for retail politics want to be a U.S. Senator?
The Senate is a tough place for impatient people. It was a great, if brief, résumé builder for Hillary Clinton and Barack Obama--not to mention two of the latest Republican presidential hopefuls, Ted Cruz and Rand Paul. But to do anything important there, you have to accrue seniority over decades....