Across the country, civic paralysis has compelled a legion of guerrilla urbanists to take their city’s matters into their own hands. | Carlin Stiehl/Los Angeles Times via Getty Images Jonathan Hale was ready to lay down his paint rollers. Hale, a law student turned viral road safety advocate, had run into legal trouble for painting his own DIY crosswalks across some of Los Angeles’s most dangerous intersections. In a meeting with LA Mayor Karen Bass earlier this year, he told her that if the city could commit to making its own streets safer for pedestrians, then he would stop his own v...