Sanctuary Island

What if certain people gained control of the President? What if their control was lost and the President went rogue? This band of 500 people prepared for the worst. They were not expecting the President to collapse with "Nukes" in the air. The just sworn in first female President has only moments to make decisions that will affect the world. The 500 people on the island waited with apprehension. What will be the outcome? What would you do?