The U.S. Food and Drug Administration has opened an investigation into reusable grocery bags, following a Tampa Tribune report that found some highly decorated bags contained elevated levels of lead. Also, U.S. Representative Kathy Castor called on the U.S. Consumer Product Safety Commission to investigate the issue, and has called for hearings in the House of Representatives. Lead is considered a toxin, and can cause learning disabilities in children and fertility problems in adults. Sarasota reporter Grant Boxleitner has more.