Kudlow: 4.1 Percent Economic Growth Rate Will be ‘Sustainable.’ Mnuchin: Expect 3 percent growth for next 4 years. Mnuchin says Fed is ‘responsible’ in raising interest rates. Hyperloop test pod sets speed record. Trump: I would be willing to ‘shut down’ Government over border security. Zuckerberg destroyed Facebook’s brand. Global auto powers plotting response to Trump auto tariff threats. British Army on standby for Brexit emergency.