Poppy Wall of Honor returns to National Mall for Memorial Day
645,000 poppies are hanging up on the USAA Wall of Honor at the National Mall in Washington, D.C., this Memorial Day weekend to honor the more than 645,000 American service members who've died since World War I. Retired Maj. Gen. John Richardson, senior vice president and head of military affairs for USAA, joined CBS News to discuss the wall.