This week, we’re hearing from voters throughout the state about Proposition 50. That’s Governor Gavin Newsom’s ballot measure to counter surprise redistricting in Texas and other red states. This morning, we visit a small city in Riverside County called Norco… also known locally  as Horsetown USA... Life in Norco is built around horses. And many people in this heavily Republican area worry that redrawing district lines  would erase that. From California Newsroom partner KVCR, Madison Aument reports…