Anti-Israel protesters at Harvard University hoisted Palestinian flags on Saturday where an American flag usually flies on the campus in Cambridge, Massachusetts. In storied Harvard Yard, by a statute of John Harvard, protesters hoisted three Palestinian flags at about 6 p.m. when an American flag and any others flying there had been taken down for the evening. In a little over half an hour, security was called to take down the flags, according to The Harvard Crimson. Protesters yelled “Shame!” and chanted “Free, free Palestine” and “From the river to the sea, Palestine will be free.” Video of…