the pennsylvania medical society presented doctor wayne lau with every day hero award in center cityoday. the doctor is an emergency medicine physician with jefferson hospital. a colleague nominated him for selflessly serving his patients. dr. lau volunteered his services at a clinic in chinatown over the past decade and he also volunteers on international trips to china. congratulations. >>> on the reading terminal mark is the place to be today as the venue and its vendors celebrate the markets 125th birthday. throughout the day merchants will randomly select customers and ring a bell announcing that they are together their purchase back to a price it might have been 1893. music and cake, katie is a fan of that, mew and cake will be part of the celebration throughout the day. the festivities continue in the until the mark closes at 6:00 p.m. >> this sun day marks the start of a new era right here on cbs3. margaret brennan is the new host of face the nation. cbs news president david roads made the announce many this morning brennan filled as moderator of the sunday morning public aff