In Iowa, the law on where convicted sex offenders can live is so strict, 30 percent of the towns are off limits, civil liberties advocates say.
http://www.cnn.com/2003/US/Central/12/14/sex.offender.challenge.ap/index.html
http://www.cnn.com/2003/US/Central/12/14/sex.offender.challenge.ap/index.html