A line of Union troops fires a volley into the South's lines during a re-enactment of the Battle of Bull Run in 2006. (Tracy A. Woodward/The Washington Post)

Dana Hedgpeth (that would be @Postmetrogirl) will live-tweet the last meeting of the Metro board for the summer. Dr. Gridlock will preview the issues coming up

Street violence, family violence: Fairfax police fatally shot an armed man in Centreville overnight after he refused to drop his weapon, police say. Also, a D.C. man has been indicted on 24 counts, all related to the shooting and killing his teenage daughter last fall. A 53-year-old Springfield man is sought in the killing of his 75-year-old father Tuesday.

Nuclear families: There are a lot of families made up of parents and kids in NoVa, far more than across the rest of the state (or the nation). A really nice interactive graphic tells the story visually.

Nothing wrong with staying indoors and keeping an eye on the world via PostLocal today.