A student rendering of Bucky Badger puts the University of Wisconsin-Madison's furry mascot in a lock-up formed by the Adidas three-bar logo.

But in a historic test, it is the midwestern university that is now putting Adidas on trial.

The battle to decide the Republican candidate for Wisconsin's open U.S. Senate seat is heating up. The Super PAC for the national organization Club for Growth, which supports Mark Neumann in the four-way primary, recently spent $700,000 airing an ad attacking Neumann's top challengers: multi-millionaire hedge fund manager Eric Hovde and former Wisconsin Governor Tommy Thompson. Both have a significant lead over Neumann (the ad ignores the fourth primary candidate, Wisconsin Assembly Speaker Jeff Fitzgerald).

Darlene Wink, former aide to Scott Walker during his term as Milwaukee County Executive and one of several individuals from that office facing charges in a secret "John Doe" investigation into criminal corruption and embezzlement, has had her sentencing hearing postponed for a second time to make sure she follows through on a promise to assist the District Attorney in other related John Doe prosecutions.