A virtual border wall

There’s a virtual wall at the U.S.-Mexico border. It’s a mass network of nearly 300 surveillance cameras, motion sensors and drones. Plus, California’s status as a safe haven for reproductive rights could be undermined Friday, depending on how the U.S. Supreme Court rules on access to a commonly used abortion drug. Then, it’s a weekend of celebrations in San Diego County — Chicano Park Day, Earth Day and Shakespeare’s 459th birthday.