Children's National Hospital September 23, 2024 7:55 pm Gold medalist Noah Lyles visits Children's National Hospital in DC Olympic gold medalist visited patients and Children’s National Hospital in D.C. News4’s Walter Morris reports. Local 2:17 Work on GW Parkway ramp impacts traffic 4:05 Second City returns to Woolly Mammoth 3:27 DC celebrates Go-Go Museum coming to Anacostia 3:09 How to talk to kids about difficult topics 3:26 Science 4 Everyone: Comparing the size of countries, states to the US