A senior editor at the New York Times became embroiled in a testy back-and-forth exchange with a Jewish pro-Israel reader of the publication, who had criticized it for launching a website aimed at tracking how Jewish lawmakers are voting on the Iranian nuclear deal, according to emails obtained by the Washington Free Beacon. The Times’ “Jew tracker” was described as anti-Semitic and offensive by pro-Israel officials who slammed the paper for feeding into stereotypes about Jewish power and money. The controversial chart listed all lawmakers who voted against the nuclear deal and highlighted in yellow whether or not that person...