The U.S. government has a message for Swiss banks: Please allow Americans to be your customers. U.S. citizens living in Switzerland have found themselves largely shut out of the country's banking system after the U.S. introduced tough new regulations that require banks to disclose all foreign accounts held by Americans. Now, the U.S. ambassador to Switzerland is asking banks in the country to reverse course and accept Americans as clients. "I sent a letter to executives at many ... Swiss banks, describing the challenges that American citizens encounter when they want to open a bank account or just keep the one they ... (full story)