Los Angeles cancels school as workers launch 3-day strike

March 21 (Reuters) - The second largest school district in the United States canceled classes on Tuesday for what could be a three-strike by 30,000 Los Angeles education support staff who are backed by a teachers' union that refuses to cross their picket line. The strike in the Los Angeles Unified School District will disrupt education, meals, counseling and other social services for 565,000 students and their parents. It follows a six-day teachers' strike in 2019 and the coronavirus pandemic that closed classroom instruction for more than a year in...