New York CNN — Harvard University announced Tuesday it will no longer weigh in on public matters that don’t impact the Ivy League school’s core function, a shift that follows a historic period of turmoil at the storied university. Harvard leaders announced the new policy after forming a working group in April to debate when the university should speak out. That group concluded that Harvard has a “responsibility to speak out to protect and promote its core function,” including to “defend the university’s autonomy and academic freedom when threatened.” “The university and its leaders should not, however, issue official statements...