For Europe’s politicians, the downside of relying on the U.S. for European security is becoming ever more painfully obvious. The situation is just as awkward for the continent's bankers. In an interview with POLITICO earlier this week, European Central Bank Vice President Luis de Guindos insisted that the ECB still trusts the U.S. Federal Reserve to be a reliable lender of last resort to its peers, despite signs that an administration that has kicked over the traces in every other area of