Attorney David Earl and planner Harry Jewett are lobbying hard for a $190 million fix — a new road with an adjacent buffer zone, both financed with property tax revenue, that they say would stop development from crowding Camp Bullis' southern flank and undo some of the North Side's traffic snarls.Working for an owner of 104 acres that would be purchased under the plan, they've looked to rally support in a slew of briefings before neighborhood associations, area stakeholders and, more recently...