Salmonella . Downer cows . More salmonella . The past year has seen several unpleasant and dangerous incidents of widespread food contamination. Today, Lyndsey Layton reports in the Washington Post that newly introduced Congressional legislation offers a slate of remedies to ramp up Food and Drug Agency capabilities for protecting the food supply. The draft legislation introduced in the House Energy and Commerce Committee would register and track food facilities, gather data on the the o