Imagine, if you will, that for unknown reasons North Korea has just launched a nuclear bomb at the United States. What happens next?

The lieutenant governor's town hall meeting is set for 6:30 p.m. Tuesday at the Marine Corps League building, 6880 Hendricks St., in Merrillville.

The simulation created by The Infographics Show details where the president could go and how long he'd have to evacuate ...