“We, the undersigned student organizations, hold the Israeli regime entirely responsible for all unfolding violence.” Thus spake 34 signatories of the Harvard Palestine Solidarity Groups on the Situation in Palestine on the night of Hamas’s October 7 massacre of 1,400 unarmed civilians. Now the undersigned have gone underground. You can still find the letter on the website of The Harvard Crimson, but not any sign of which groups endorsed it. The Crimson explains: “This statement was co-authored