Maybe securing the border isnât the fix. A reporter tried to set Rep. Marjorie Taylor Greene straight by telling her that most fentanyl coming across the border from Mexico is carried by U.S. citizens, not immigrants. When challenged, the reporter said his source was the Cato Institute. Fentanyl, the synthetic opioid responsible for 88 percent of opioid overdose deaths in the United States, is showing up in campaign ads across the country. The message is simple: Fentanyl would disappear if illegal immigration disappeared. This is wrong. If anything, border crackdowns have exacerbated the crisis. Much of this narrative places blame...