July 28, 2014 1:00 pm Keys to Brightening Your Smile Need a reason to smile? If your teeth are stained or out of alignment, Dr. Claudia Cotca has a few tips to get your smile looking brighter this summer. Local 2:21 Family honors boy with foundation to find cure for rare form of cancer 0:55 Halle Berry helps unveil menopause research bill during Capitol Hill visit 2:54 ‘Healthy moms equal healthy babies': Children's National offers maternal health care 2:14 Opioid crisis: National drug take back day on Saturday 2:55 Concussion treatment: Returning to school and limiting screen time may help, study finds