The University of Michigan has issued a formal apology after a history professor lauded pro-Palestinian student protesters in a commencement speech over the weekend. The remarks — and the ensuing apology — have set off cascading recriminations, with pro-Israel advocates calling to slash the school's funding as others accuse university officials of bowing to political and donor pressure. In a speech on Saturday at the universitywide commencement ceremony, Derek R. Peterson, a professor of East African history and outgoing chair of the faculty senate, credited "pro-Palestinian student activists who have over these past two years opened our hearts to the injustice and inhumanity of Israel’s war in Gaza .” The comments followed Peterson’s praise for Moritz Levi, the first Jewish professor at the University of Michigan, among others who he said had advanced causes of justice through the school’s history.…