KAREN KEYS-GAMARRA WINS PLUM ENDORSEMENT. 🚨 HD07: Veteran lawmaker Delegate Ken Plum has endorsed Karen Keys-Gamarra to follow him in the Virginia House of Delegates. Del. Plum represent Reston and parts of Fairfax. Keys-Gamarra, a family law attorney, is currently a member of the Fairfax County School Board. The endorsement by Del. Plum, a widely respected veteran of Virginia politics, is huge as Keys-Gamarra is running in a competitive primary for House District 7.