Mo. teachers union sues over social networking law

Alana Maddock, nurse and cheerleader coach at East Middle School, Joplin, Mo, used Facebook to locate students after the tornado destroyed several schools and much of Joplin on May 22, 2011. Maddock won't be able to communicate with students after a law was passed in Missouri that prohibits teachers from contacting students on Facebook.(AP/Mike Gullett)

August 19, 2011 5:15:05 PM PDT
A teachers union is challenging a new Missouri law that limits teachers' contact with students on social networks.