and Again...?

Yet another school shooting in the US. The 3rd in a week for the US... it's just too much. When will this type of thing stop?
This time at an Amish school.
http://www.cnn.com/2006/US/10/02/amish.shooting/index.html

and possibly another near school shooting.
http://www.cnn.com/2006/US/10/02/lasvegas.schools.ap/index.html

one word: "WHY?"