Every day, thousands of Angelenos take a deep breath, step out of their homes and plunge themselves into a transit experience straight out of “Mad Max.” The city’s buses have become rolling homeless shelters, replete with drugs and feces. Its trains are rolling platforms of murder and mayhem. The transformation has been swift and stark. Between 2020 and 2025, crime in the system more than doubled. A Los Angeles Metro Rail Expo Line train at the …