Rep. Nancy Pelosi arrives in Singapore; no confirmation on Taiwan visit

House Speaker Nancy Pelosi has kicked off a closely-watched visit to Asia, although it's still unclear whether she will visit Taiwan despite China's warnings. CNBC's Eunice Yoon joins 'Squawk Box' with the details. For access to live and exclusive video from CNBC subscribe to CNBC PRO: https://cnb.cx/2NGeIvi