 Another reason for the group's explosive growth? Exploring D.C. on foot. We just run down the street in popular neighborhoods. It's amazing. Gigi Barnett, WTOP News. Ahead in money news, how much money is really enough for someone in the United States? I'm Mark Hamrick, and I'll take a look at what people say in my report coming up. Traffic and weather in 30 seconds. Send a girl to camp. Ready to make a difference in a girl's life this summer? Camp Radiance is back for its third season.