One screener had four Social Security numbers and a conviction for shoplifting, and as seen on a surveillance videotape exclusively obtained by CBS News, he used his position to steal jewelry and more from airline passengers' bags. WCBS's Cheryl Fiandaca reports for The Early Show. Transportation Security Administration screener Clarence Henry is supposed to be looking for bombs in checked luggage. Instead, he's looking for jewelry and cash. A surveillance video appears to show Henry carefully picking through the jewelry case in a bag - looking for expensive pieces and pocketing them when he finds them. And Henry isn't the...