DAVID MARCUS: Trump’s defiant supporters flock to Butler rally with renewed confidence

The simple lesson it took me a half century to understand

In a memorable joke, a snail slithers into a bank, robs it, and slithers out the door and down the sidewalk to freedom. Minutes later the police arrive and interview the witness, a turtle next in the teller’s line, asking the languid leatherback what he saw. “I...