When your Swiss banker throws you overboard, you know you’ve made some very powerful enemies. Long famed for hiding money for everyone from Nazis and drug lords to spies and dictators, the Swiss government’s banking arm has decided that WikiLeaks and Julian Assange are just too hot even for it to handle. And so the PostFinance, which runs the country’s banks, declared in early December that it had “ended its business relationship with WikiLeaks founder Julian Paul Assange” after accusing Mr. Assange of—gasp!—providing false information about his place of residence.