On a quiet, tree-lined street in the hills in Pacific Palisades, California, 18 miles from downtown Los Angeles, a coalition of frustrated students, parents, and teachers chanted and jeered Thursday night outside the front gate of the man who, for the last four days, has been the focus of ire for teachers on strike across Los Angeles: District Superintendent Austin Beutner. “Billionaires can’t teach our kids,” the crowd shouted.