They had a word for whistleblowers in the Old Testament: They called them “prophets.” Moses, Amos and Jonah are some of those who risked everything to blow the whistle on greed, hatred and corruption.

I’m no Biblical scholar, but it says that in the “days of old” there were people who predicted future events. Not all of the prophets foretold the birth of the Christ child. Most of them, in fact, ...