Hispanic Americans are set to overtake African Americans as the second largest demographic group in the 2020 presidential election. That is bad news for Democrats, who are convinced they are entitled to these millions of voters. They cannot understand why so many Latinos, especially in important battleground states such as Florida, continue to line up firmly behind President Trump. The thought terrifies them. Even more frightening for Democrats is the ineffectiveness of their main “outreach” strategy: extol the virtues of illegal immigration and speak in Spanish. As President Trump has pointed out, Hispanic Americans are no more enamored with a...