Wisconsin Primary Live Blog  —  Will Hillary Clinton surprise everyone and win in Wisconsin?  Can Barack Obama beat back Hillary's late challenge?  Since my evening meeting got canceled, I'll be live blogging the Wisconsin poll results.  Of course we're also looking at Washington and Hawaii …

Wisconsin Exit Polls: A Less Affluent, Less Well-Educated, Economically Sensitive Electorate  —  Info from our trusty pals at CBS News: this electorate is very white; only four in ten have a “college degree.”  They're “less affluent” than Dems in other states.

First Word on Wisconsin Exits  —  I'm hearing that after two waves of data, Wisconsin looks like a blowout in favor of Obama, in the neighborhood of 60 percent to 40 percent.

Gallup Daily: Tracking Election 2008  —  Based on polling conducted Feb. 16-18, 2008  —  PRINCETON, NJ — Hillary Clinton has rebounded among Democrats in the Gallup Poll Daily tracking average for Feb. 16-18.  She is now at 45% to Barack Obama's 46%.  —  Clinton was seven percentage points behind Obama in the Feb. 15-17 average.

Exit polls: Obama holds onto his base, makes inroads in Clinton's  —  (CNN) — In campaign contests so far, Barack Obama has polled the best among black, more wealthy and educated voters and college students, while rival Hillary Clinton has been able to count on women, low-income voters and blue-collar workers.

Obama's Communist Mentor  —  In his biography of Barack Obama, David Mendell writes about Obama's life as a “secret smoker” and how he “went to great lengths to conceal the habit.”  But what about Obama's secret political life?  It turns out that Obama's childhood mentor, Frank Marshall Davis, was a communist.