New York City Schools Chancellor Kamar Samuels has canceled plans for a Manhattan high school that would focus on artificial intelligence. Luiz C. Ribeiro for NY Post The sad, short tale of what would’ve been an AI-focused high school is all-too-emblematic of why public education keeps getting worse in New York City. Chancellor Kamar Samuels pulled the plug at the first hint of woke opposition , as race-obsessed activists fumed that opening Next Generation Technology HS would “exacerbate existing disparities” among city students. Meaning: Selective admissions to a cutting-edge computer-science-focused school would be a boon to the kids who were prepared to do the academic work — and so expose how badly so many K-8 public schools fail low-income black and Hispanic families. NextGen had attracted a qualified applicant pool of 1,000 students, with 39% Hispanic, 21% black, 20% Asian and 17% white — but critics were sure the final screen would “disadvantage” the non-white, non-Asian ones.…