. >>> a reporteded 25% of american students are bullied at least once a day.are schools, parents and the community doing to stop this crisis? joining me to discuss this are res lynn ali, assistant secretary of education for civil rights, psychologist jeff gardier contributor to healthgur rhee.com and wilhemina stone who lost her teenage son to suicide. reslin, i want to start with you. this conversation about bullying is being distributed throughout the media. what is bullying? >> there is no federal definition of bullying, it's state specific. when bullying rises to the level of harassment, when students cannot enjoy going to school, when they are hampered from learning, there is a really serious problem. >> and what are some of the signs we of bullying? >> remarkably what we find out sometimes and quite often actually, a lot of our children don't talk about the bullying. they feel ashamed. we do have to look for some of the subtle signs. one of the biggest signs is all of the sudden they lose interest in going to school. of course, the most obvious sign is i