In early 2020, we received multiple inquiries from readers about the accuracy of a 10-month-old article which purported to highlight the left-wing ideology of Joseph Buttigieg, a prominent academic and the late father of Democratic presidential primary contender Pete Buttigieg. The article, published in April 2019 by the right-leaning Washington Examiner, was later shared on social media at a time when the mayor of South Bend, Indiana, appeared to perform well in the disputed Iowa caucuses, and joined U.S. Sen. Bernie Sanders in leading the polls ahead of the New Hampshire primary on Feb. 11. The Washington Examiner piece bore...