Bernie Sanders campaigning in Franklin, NH

Bernie Sanders is having a tough week. Instead of trying to capitalize on his Wisconsin primary win on Tuesday, Sanders has had to contend with the fallout from a New York Daily News editorial board interview last Friday that has been described as “pretty close to a disaster,” in which Sanders appeared not to know the substance or process of numerous issues, including his own pet issue, free college. Then, yesterday, Sanders added to his image as a candidate who may have lost his bearings when he said of Hillary Clinton, “I don’t believe that she is qualified” to be president of the United States. Sanders latest remarks were actually three mistakes in one:

Volunteers for Hillary Clinton in Des Moines, Iowa

Right now, it’s silly season in politics. The mainstream media, the presidential primary candidates and their campaigns are serving up small shiny objects, and the public is lapping them up. On the Democratic Party side, in the primary race between Hillary Clinton and Bernie Sanders, these shiny objects range from coin tosses to speaking fees to the definition of a “progressive” to “Berniebros.” But hidden behind these superficial stories is some cold hard math involving delegates and demographics.

President Obama and First Lady Michelle Obama after clinching 2008 Democratic presidential nomination

Last night, one week before the Iowa Caucus, CNN hosted a Town Hall event at Drake University in Des Moines, Iowa, featuring Democratic presidential candidates Hillary Clinton, Bernie Sanders and Martin O’Malley. The three candidates showed differences in their views and policies while answering questions from the audience of mostly undecided Democratic voters and from moderator Chris Cuomo. But perhaps more striking was the level of knowledge, substance and forcefulness each candidate exhibited on the issues.