Chicago Triathlon:Proving Ground for Chicago 2016? (CBS 2 Chicago)

From the elite to novice, athletes swam, biked, and ran their way to compete in Sunday's Chicago Triathlon. In just 32 days, the International Olympic Committee will decide whether Tokyo, Rio, Madrid, or Chicago will play host to the 2016 Summer Olympics. As CBS 2's Mike Puccinelli reports, many Olympic watchers viewed the weekend sporting events as a crucial test leading up to the final exam.