EXCLUSIVE : Fox is officially searching for the Nation’s Dumbest. The network has handed the show, which is based on a Scandinavian format, a series order. Deadline revealed that the project was in development at the end of last year. The series will now be hosted by British comedian Jack Whitehall and the network has lined up a phalanx of celebrities aiming not to be the dumbest in the country. Nation’s Dumbest is the first television show where the loser is the winner. Celebrities fight it out to be eliminated from the competition as quickly as possible to avoid being crowned the nation’s dumbest. From influencers to wrestlers, comedians to politicians, the contestants are put to the test in a series of physical and mental rounds about all the things you really should know.…