Over 44 painstakingly scripted minutes on the floor of the Senate on Thursday, the majority leader, Chuck Schumer, spoke of his Jewish identity, his love for the State of Israel, his horror at the wanton slaughter of Israelis on Oct. 7 and his views on the apportionment of blame for the carnage in Gaza, saying that it first and foremost lay with the terrorists of Hamas.Then Mr. Schumer, a New York Democrat and the highest-ranking elected Jew in American history, said Israel’s prime minister, Benjamin Netanyahu, was an impediment to peace, and called for new elections in the world’s…