I suspect that many young Americans realize that they don't have the same opportunities that prior generations had...
The off shoring of millions of "living wage" American jobs...both unskilled and skilled...is proceeding apace.
The last 20 years of Republican Greed and Free Trade have not been a boon to the American Working Class...and I suspect that everyone would agree with that...
Hence, this great anger among American youth... Sort of reminds me of stories of Berlin in the 20's...
The Goth culture... The Emos... Rap Music... The Tribalism... The sense that there is no future for you...unless you are part of an established elite...
I really don't think these school shooters are crazy...they seem to be very very angry and lack the coping mechanisms that older people develop... And ominously I suspect there are millions of them!
What is needed are new leaders in Washington, like Obama perhaps, who can openly recognize the plight of the American working classes...and admit to the problems caused by Free Trade; and the dominant "secret" role of Global Capital in looting the US economy over the last 20 years...