The Price of SilenceBy: Liza Long Liza Long, the author of I Am Adam Lanzas Mother"as seen in the documentaries American Tragedy and HBO's A Dangerous Sonspeaks out about mental illness. Like most of the nation, Liza Long spent December 14, 2012, mourning the victims of the Newtown shooting. As the mother of a child with a mental illness, however, she also wondered: What if my son does that someday? The emotional response she posted on her blog went viral, putting Long