The Issue: A letter signed by Columbia professors defending students who supported Hamas’ Oct. 7 attack. I read that more than 100 Columbia University professors signed an open letter defending their Hamas-supporting students from charges of antisemitism (“U. Too?! Profs Back Haters,” Oct. 31). When you have morally bankrupt professors like these, the result is morally bankrupt students. These pathetic excuses for human beings, let alone self-described “scholars,” referred to the cold-blooded Oct. 7 massacre of 1,400 innocent, defenseless men, women and children and the kidnapping of hundreds more as a “military response.” It is clear that Columbia has lowered...