Wisconsin -  A three-judge federal district court in Wisconsin has invalidated the Republican-drawn state assembly district map enacted in August 2011 as an unconstitutional partisan gerrymander.  If the ruling stands - and that's a very big "IF," this case will be the first successful approach to creating a workable standard for courts to use in determining whether a partisan gerrymander rises to the level of impermissible gerrymandering under the first amendment and equal protection clause of the U.S. Constitution.  Read more in the New York Times ,  Salon.com, Milwaukee Journal Sentinel, Washington Post, Wall Street Journal, and Rick Hasen's Electionlawblog.        Read the District Court…