Unless justices intervene, gay nuptials could begin in Old Dominion on Thursday
Michèle McQuigg one of two defendants
4th Circuit heard case in May
Activist visits D.C., recounts horrifying abuse back home
One of three judges skeptical of procreation argument
4th Circuit on Tuesday to hear oral arguments in case
Liberty Counsel among those to file amicus briefs with 4th Circuit
Anti-gay Alliance Defending Freedom files brief with federal appeals court
Olson tells court the state's prohibition 'cannot stand'
Snow prompted the court to delay oral arguments