How the battle over redistricting began AMERICAN-STATESMAN STAFF Tuesday, May 13, 2003 Q: Why are congressional districts an issue for the House? A: By federal law, each state is required to redraw congressional boundaries after each census to keep each district with an equal number of residents. Q: So didn't the Legislature do that already? A: No. Lawmakers in 2001 couldn't agree on how to draw the congressional map. Q: Does that mean it has to be done now? A: No. By law, a federal court drew the map after lawmakers failed to. That map was used for the 2002...