Jon Stewart, a ‘pop-culture bellwether,’ might be souring on Obama: What does that mean?

This article, by Washington Post media columnist Howard Kurtz, was the most popular on the paper’s Web site Monday. It has drawn a slew of comments from readers — and commentary via Twitter. The story points out that even Jon Stewart, a left-leaning comedian, is chiding the president. This is a big deal, Kurtz says, because Stewart is a “pop-culture bellwether.” Does that suggest the funnyman’s barbs are a negative omen for the president’s already sliding poll numbers?…