On Monday, Nevada officials charged Acorn, its regional director and its Las Vegas field director with submitting thousands of fraudulent voter registration forms last year.

WSJ: More Acorn Voter Fraud Comes to Light

This week another court ruled that the government's demand that potential voters must produce several forms of identification was unfair, and may have discouraged many during the three weeks of voter registration that ends on December 9th.

ECONOMIST: Zimbabwean law and order

Some of those hired have filled out registration forms themselves and handed in forms for non-existent people.

CNN: Obama camp calls for special prosecutor in fraud investigation