The Rundown is a weekday synopsis of news involving politics and government from the pages of the Milwaukee Journal Sentinel, as well as headlines of note from elsewhere. The state's voter registration system is fully operational after a series of glitches that prevented the system for 2 1/2 years from crosschecking voters' names with death, felony and driver records. The system is meant to help prevent and catch fraud as record numbers register for the Nov. 4 presidential election. State officials are scrambling now that the emerald ash borer has been found in a second location. Officials have imposed a quarantine on ash products in Washington, Ozaukee, Fond du Lac and Sheboygan counties. The La Crosse Tribune reports U.S. Sen. Barack Obama's campaign presidential campaign headquarters in Viroqua have been vandalized for the second time in a month. The Associated Press reports a federal judge will soon hear a case over whether Green Bay officials should have allowed a nativity scene to be placed on City Hall last Christmas. The architect of the plan to put the nativity scene on government property, Chad Fradette, is now running as a Republican against state Sen. Dave Hansen (D-Green Bay). ...