http://www.nytimes.com/2009/03/11/world/europe/11castrate.html?_r=2
The Czech Republic has allowed at least 94 prisoners over the past decade to be surgically castrated. It is the only country in Europe that uses the procedure for sex offenders. Czech psychiatrists supervising the treatment — a one-hour operation that involves removal of the tissue that produces testosterone — insist that it is the most foolproof way to tame sexual urges in dangerous predators suffering from extreme sexual disorders.
A step in the right direction.