testing routinely. previously they recommended against psa testing fearing potential risks. an estimated 180,000 american men are diagnosed with prostate cancer every year. and that terrifying moment a bungee ride turns nearly fatal. a young woman at a fair in paris when her safety harness came undone. the rider hurtling through the hair, upside-down, her head coming within inches of the ride platform. the organizers of the fair say tonight the incident is under investigation to see whether they're at fault or the rider came unhooked on her own. that ride is now out of service temporarily. when we come back here tonight -- america strong. and the one question likely being asked somewhere in america tonight. the answer doesn't always go as planned as you're about to see. when this bell rings... ...it starts a chain reaction...