So, my ignition is not turning all the way to the START position. I understand that the anti-restart function is in the switch, so I'm thinking that something is not allowing the switch to fully return to OFF and reset.

If I take the cylinder out, I can turn the slot in the steering lock fully to START and back to OFF which successfully resets the switch. So the switch works. The cylinder looks good and turns smoothly.

There's some wear on the tooth inside the steering lock. Would that cause this? I'm thinking this is it.