ABC News looks at the lasting and tragic consequences of being bullied and the daily torture that bullied children suffer. School violence specialist Glenn Stutzky tells us that the consequences of school bullying today may even include revenge killings and an epidemic of suicides.This "20/20" show contains the following additional stories:    Product WarningsSmokingThis product is manufactured on demand using DVD-R recordable media. Amazon.com's standard return policy will apply.