Replacing Congress In Case of Emergency

We can all rest easier knowing that Congress has passed a Doomsday plan to replace themselves should 100 or more be killed in a terrorist attack. The law would call for special elections within 49 days.

Now if we only had a provision for a special election should it be proven that the President is an absolute idiot who has undermined our national security and created long term damage to our economy and was twice elected with questionable tactics. Or how about special elections should Congress fall under the control of people beholden to religious fanatics and are acting contrary to the interests of the American people and the principles the country was founded upon?