Thursday on Worldview:

Poland and Ukraine will co-host the 2012 European Championships. Sixteen teams will battle it out on the soccer field, but there’s growing concern potential violence off the field. The two host countries are under scrutiny because of some fans’ racist behavior at their soccer matches.

Worldview talks with Michael Madero, assistant coach for the University of Chicago’s men’s soccer team. As a soccer player in Eastern Europe during the early ’90s, he saw the fan bases of these two countries up-close.

Then, Argentina’s new gender identity law went into effect this week. Said to be the first of its kind, it allows individuals to legally change their gender without any kind of medical procedure. The Associated Press’ Michael Warren joins us from Buenos Aires to explain the circumstances that made the law possible.

Finally, “Bike to Work Week” starts this Saturday June 8. WBEZ team leader Jerome McDonnell and his former nemesis, Sarah Dandelles from the Old Town School of Folk Music, confront last year’s winner and new nemesis, The Center for Neighborhood Technology, represented by Kathryn Eggers.