"An elderly Asian American man who fell victim to a brutal attack in broad daylight in San Francisco two years ago is launching a federal lawsuit against the city’s District Attorney’s Office for allegedly mishandling his case and mistreating him in the process. Anh Lê, 69, was out for a walk in Chinatown on Nov. 2, 2019, when a father-and-son duo threatened to kill him and repeatedly struck him with a baseball bat. He managed to call 911 after running away as far as he could. Lê said it all started after he politely asked the teenage son, who was...