A much-reported study from March 2019 that claimed a large increase in hate crimes in areas that held Trump rallies has been challenged by a new piece from two Harvard Ph.D. students, spurring larger questions about how journalists should accurately report on studies.

In this week’s episode of Beat The Press, Emily Rooney was joined by former CNN White House correspondent Dan Lothian; Jon Keller of WBZ News; Dan Kennedy of Northeastern University; and Callie Crossley of WGBH News.