Michael Wattendorf, president of the Black Student Union at Thomas Jefferson High School for Science and Technology in Alexandria. (Nikki Kahn/THE WASHINGTON POST)

Facebook for veterans? An ex-defense contractor and local Web whiz create a social network to help address the challenges veterans face.

Prepping for primaries in D.C., Maryland: As candidates make last pitches in Maryland, rivals in the District’s at-large and Ward 7 races dash for votes. Before heading to the polls on Tuesday, check out voter’s guides for the primaries in D.C. and Maryland, and for school board races in Montgomery and Prince George’s counties.

Coming up on PostLocal:

Power to the Peeps: At 11 a.m., join the live chat on this year’s “Peeps Show,” the sixth annual diorama contest involving the holiday marshmallow candy.

Talking traffic and transportation: Join Dr. Gridlock for a weekly live discussion at noon.

View Photo Gallery: The Eden Center in Falls Church, Va. is a destination for Vietnamese food and specialties.