 How the fire department says it keeps Prince George's covered even if personnel move around. I'm John Doman. Community leaders come together in Greenbelt to fight gun violence and take back their park. I'm Jimmy Alexander. The lack of rain we've been seeing is now affecting a major summertime hobby. I'm Luke Lukert. And it's 9 o'clock. This is CBS News on the Hour, sponsored by O'Reilly Auto Parts.