“In Wisconsin, new laws require licensing for anyone who registers someone else to vote, and the rules for licensing vary in the state's 1,800 municipalities. ... “That could mean a volunteer for a voting drive in a school district would have to take a course and get licensed in a dozen different municipalities in that one school district,” said Jeannette Senecal, director of elections for the League of Women Voters.”

URL: 
http://www.reuters.com/article/2012/04/21/us-usa-election-voters-idUSBRE83K07O20120421