As Martin Luther King, Jr. Day approaches, I keep thinking about one passage that Dr. King wrote that needs to be injected into the national conversation in 2024. The leading Republican presidential candidate, former president Donald Trump, blatantly echoes the words of Adolph Hitler to justify his immigration stance by saying immigrants entering the U.S. illegally are “poisoning the blood of our country.” There has been pushback that Trump borrowed the line from Adolf Hitler’s rhetoric in his autobiographical manifesto Mein Kampf, which set the principles behind Nazi Germany’s genocide of more than six million Jews.