By Tom Westbrook SINGAPORE (Reuters) – Asia stocks fell for a second straight day on Friday and were headed for their worst week in two months after a slew of central banks raised interest rates and warned there were more hikes to come next year. Interest rates went up in Europe, Britain, Switzerland, Denmark, Norway, Mexico and Taiwan on Thursday, following a U.S. rate hike on Wednesday, and central bankers’ vows to keep on raising rates until inflation is tamed had markets worried about a potential recession. MSCI’s broadest index of Asia-Pacific shares outside Japan fell 0.8% and was down 2…