Jan.13 -- Cliff Asness, the co-founder and managing principal of AQR Capital Management, could be questioning his faith in factors after 2 1/2 years of poor returns. But he remains as confident as ever in the quantitative strategies that powered the firm’s growth for two decades. In this interview, Asness explains why, the emotional challenges of underperformance, AQR’s strategy, and Bitcion. He spoke exclusively to Erik Schatzker on Bloomberg’s Front Row.