Donald Trump talks very differently about the Jewish people compared to past presidents.

Over the last two years, President Trump has repeatedly questioned the loyalty of Jewish people in America, claiming that voting for a Democrat would be a “great disloyalty”. In new research which looks at nearly 150 years of presidential communications, Shyam K. Sriram, Victoria Combs and Cole McNamara look at how presidents have talked about the Jewish people over the years, and find that Trump’s rhetoric is a significant departure from what has gone before.