IT IS REMARKABLE how confident so many people are that they know what causes – and just how to prevent – horrific massacres like Friday's bloodbath at Sandy Hook Elementary School in Connecticut.
In a TV interview over the weekend, one observer insisted that the mass-murder in Newtown was all too predictable, given America's failure to implement an obvious and desperately overdue reform. "Should we be so surprised that schools would become a place of carnage?" this individual demanded, showing no hint of uncertainty about exactly what needs to be fixed.
Who was that?
Was it Chicago Mayor Rahm Emanuel, amplifying...