Join the Potomac Valley Audubon Society and the Charles Town Library for one or more free drop-in nature programs at Evitts Run park at 504 W. Liberty St in Charles Town August 8-11. There will be story-time, crafts, games and more. These programs will last approximately one hour and are best for ages 3 and up. No registration is necessary. Monday, August 8th-Nighttime Neighbors. Learn about “Awesome Opossums” at 9am or 12:30pm and “Racoons” at 10am or 1:30pm. Tuesday, August…