Why Elizabeth Warren won’t run and JEB! won’t win.

Slate Magazine-You could almost call this week the official start of the 2016 presidential race. Yes, the “invisible primary” of jockeying and influence has been going on since the end of the last election. But it’s only been in the last few days that the structure of the field, on both sides, has become clearer. For Democrats, clarity means the picture is still static. Hillary Clinton still towers over every potential competitor, the most popular person in the Democratic Party not named Barack or Michelle. Need proof? In a survey released this week, 50 percent of Americans said they could support Clinton in an election. And in a hypothetical primary—drawn from an average of available polls—almost two-thirds of Democrats support Clinton over everyone else in the field, from Massachusetts Sen. Elizabeth Warren to Vice President Biden. And, contrary to some observers, this isn’t like 2006 or 2007. Then, Clinton was a modest favorite in the field. Now, she’s the undisputed leader.  Read more.