From RAGTAG.ORG: If you are interested in canvassing in Virginia (governor and House of Delegate races), go to nomad.ragtag.org. You can pick a verified campaign staging location and time to go to for a canvass. No ride? There are empty seats available at nomad.ragtag.org, and you and the drivers will be able to find each other. No complex logistical coordination for you, and no cost.
