Madrid (AFP) – Spanish police on Friday said they had arrested a man wanted by Washington for allegedly conspiring with cryptocurrency experts to help North Korea evade sanctions over its nuclear program.  Alejandro Cao de Benos, the founder of a pro-Pyongyang affinity organisation who bills himself as a “special delegate” for the government of North Korea, was arrested at Madrid’s Atocha train station as he got off a train from Barcelona, a police spokesman told AFP The 48-year-old Spaniard faces up to 20 years in jail if convicted, Spanish police said in a statement. His extradition to the U…