Kosher Wars | NYT
The idea of linking kosher food with other ethical issues is not new. In the 1970s, Rabbi Moshe Feinstein of New York urged Jews not to eat veal. In the late 1980s, Rabbi Arthur Waskow, a leader of the Jewish Renewal movement, wrote that Jews should examine all the resources they consume, not just food, to determine if they were “kosher” in the broadest sense of the word.
Source: NYT