Author to Discuss Potomac River — Local author Garrett Peck will discuss his book, The Potomac River: A History and a Guide, at Arlington Central Library (1015 N. Quincy Street) tonight. The free event will be held at the library’s auditorium from 7:00 to 8:30 p.m. [Arlington Public Library]

Yorktown Wins, Again — The Yorktown Patriots varsity football squad chalked up another big win on Friday. The team defeated the Herndon Hornets by a score of 51-21. Bishop O’Connell also won on Friday, beating the St. Mary’s Ryken 17-13 on the road. Washington-Lee and Wakefield both lost. [Sun Gazette]

Cuccinelli Coming to Arlington for Constitution Day — Virginia Attorney General Ken Cuccinelli will celebrate today’s Constitution Day observance with the Arlington Falls Church Young Republicans. The group is hosting Cuccinelli at RiRa Irish Pub (2915 Wilson Blvd) in Clarendon starting at 7:00 p.m. [Facebook]