is year old. those members have pledged over $22 million to charity. for more information, log on to the group's website giving what we can.org. >> julie: thank you so much. >> gregg: if it becomes law, a sweeping new food safety bill would place new responsibility on farmers and food companies to prevent contamination like e. coli and salmonella and colorado company could be at the forefront to detecting the potential killer. >> i literally watches the last drops of urine drop down the catheter tube and new my son's kidneys were shutting down. >> reporter: at one and a half years old, he took a bite of his restaurant meal while on vacation and became infected with a deadly strain of e. coli. >> unfortunately the hamburger meat was tainted.