January 12, 2009 11:50 am Health Expo: Bill Cosby and Howard University Bill Cosby chats with a Howard University Medical Center doctor. Local 1:46 How WHUR is celebrating moms who serve 2:10 Monumental Sports donates food to Food Rescue 1:29 ‘Life Interrupted' to spotlight mental health on Bowie stage 2:54 ‘Healthy moms equal healthy babies': Children's National offers maternal health care 2:48 Speed camera installed near site of 2022 fatal high school pedestrian crash