As you’re swept away with warm feelings over Peter Jennings becoming an American after 40 years of broadcasting here, know that the old 30,000-videotape data bank still carries his genuine feeling for his adopted home. Take April 1990, and a prime-time special on Cambodia: “The United States is deeply involved in Cambodia again. Cambodia is on the edge of hell again.” By not backing the Communist Hun Sen regime, Jennings concluded, “The United States is in danger of being on the wrong side of history.” As Willy Wonka would say, flip that, reverse it.