Mid-April in America is an unforgiving time, and now this

This April 19, 1995, file photo shows the north side of the Alfred Murrah Federal Building in Oklahoma City, after it was destroyed by a domestic terrorist’s bomb killing 168 people. (AP Photo/File)

For a generation, mid-April has delivered some of American life’s most cataclysmic moments — a week when young men have shot up schools, terrorists have blown up fellow humans, members of a religious sect have burned to death in their compound and environmental calamity has sullied the ocean.