 I'm Heather Bosch. Tragedy on this Independence Day. A pickup truck drove into a crowd of people celebrating New York Police Chief Jeffrey Madry. At this time, we have nine people who were struck. Right now, we believe, right now, two of them are confirmed DOA. The driver is suspected of being under the influence. The president and vice president celebrated the Fourth of July out the White House. CBS's Stacey Lynn reports.