Doctor Who: Trading Futures

''Welcome to the future.''

The early decades of the twenty-first century. All the wars have been won. There are no rogue states. The secret services of the world keep the planet electronically monitored, safe from all threat. There is no one left for United States and the Eurozone to fight. Except each other.

A mysterious time traveller offers a better future - he has a time machine, and with it...