In 37 Chicago Precincts, Romney Received No Votes
NBC Chicago reports:

The Philadelphia Inquirer reports that in 59 Philadelphia precincts, Mitt Romney did not receive a single vote. So Ward Room decided to look at the results in the president’s hometown, and see if he won as many shutouts here. The answer: no. Romney was rejected by every voter in only 37 Chicago precincts, an embarrassing result, given that segregation and Machine politics are two of our city’s most notable qualities.

Any doubt there was some vote fraud? Check out this comment on NBC Chicago's website:

In critical swing states like Pennsylvania, Ohio, and Illinois there are a lot of precincts in Philadelphia, Cleveland, and Chicago which reported 100% of their votes cast for Obama. These add up to many 10's of thousands of votes for Obama and 0 for Romney. I repeat, 0 for Romney. I have read a number of articles about this and people knowlegable in Political Science and Statistics are starting to take notice of this.Statistically, even if among 10's of thousands of voters all wanted to vote for Obama, it would not be possible to receive 100% of the vote because at least a few would make a mistake and vote incorrectly for Romney. Not to mention the fact that a least a few of those 10's of thousands might actually disagree with Obama. These types of election returns are only seen in countries run by dictators....