 With life-saving information. Large rotating supercell. You need to take cover now. It was very, very scary. WTOP is where you turn when weather threatens. 745, I'm Michelle Bash. And I'm John Aaron. Fossils millions of years old are right here in D.C. In today's episode of Matt About Town, WTOP's Matt Koufax heads to the Tidal Basin to unearth pieces of the past next to the memorial to a civil rights icon.