Shaleionaires - While some complain that extracting natural gas from shale rock formations is tainting their water supply, others who have allowed drilling on their property are getting wealthy and becoming "shaleionaires."Stand Down - Some veterans returning from Iraq or Afghanistan into the recession are finding themselves homeless. Scott Pelley reports on an annual encampment in San Diego where veterans can find hope, help and services.Market Street - Morley Safer reports on a mystery that was solved about a 100-year-old film that we now know was made on San Francisco's Market St. just days before the 1906 earthquake.