It only takes one.
We should know that, but years have passed since April 19, 1995, and many have forgotten or are too young to remember the day the Alfred P. Murrah Federal Building in Oklahoma City was blown up by a truck filled with explosives.
The truck was placed there by Timothy McVeigh, a man whose rage was nurtured by a steady stream of anti-government rhetoric. A man convinced our political system was at war with self-described "patriots" like himself. A man convinced the U.S. government was — to borrow a term we're hearing regularly from GOP presidential candidate Donald Trump — rigged.
The blast killed 168...