Valliere: House Speaker Ryan Could Be Out by Spring

Greg Valliere, chief global strategist at Horizon Investments, and Marc Chandler, senior vice president of investor services and global head of currency strategy at Brown Brothers Harriman & Co., join Bloomberg's Michael McKee to discuss the prospects of Democrats taking control of the U.S. Senate and the challenges faced by House Speaker Paul Ryan. They speak on "Bloomberg Surveillance." (Source: Bloomberg)