US diplomat turns to Vance: The reason for your failure is that you don't know how to run the country Alan Eyre, who was a member of the US team at the JCPOA, wrote: The reason for our defeat is war. If you want to argue that this war was worth it and that losing control of the Senate for the next six years was an acceptable cost, go ahead. With all due respect, the reason for your failure is that you do not know how to run a country.