On this edition of Wall Street Week, Ray Dalio, Bridgewater Associates Founder & CIO Mentor revisits lessons he's learned from taking a strong and incorrect stance on a debt default cycle in 1982. Lawrence H. Summers, Former US Treasury Secretary & Wall Street Week contributor thinks that the latest jobs data suggest a reacceleration in the US economy and Sonal Desai, Franklin Templeton Fixed Income CIO tells us that markets are going to remain volatile.