. >>> stanley resor died.s secretary of the army for six years at the height of the vietnam war. appointed by president lyndon johnson. after graduating from yale, he joined the army. in world war ii, he saw heavy combat in the battle of the bulge, earning him a purple heart and bronze and silver stars. in later years, he was an arms reduction negotiator and u.s. ambassador. stan resor was 94. >>> and quite a visual moment yesterday in dearborn, michigan, at the henry ford museum. president obama sat in the same city bus from montgomery, alabama, where rosa parks refused to give up her seat. the president was there for a fund-raiser. after that moment, he spoke of parks' courage and tenacity. >>> when we come back, how saving some of the most beautiful sights on earth may hold the key to saving a lot of human lives. >>> next at 6:00, a vip night and an historic night for the 49ers. a live look now from our nbc chopper at the groundbreaking ceremony for their billion-dollar stadium in santa clara. >>> we have a