Emotions are a fundamental part of human psychology—a complex process that has long distinguished us from machines. Even advanced artificial intelligence (AI) lacks the capacity to feel. However, ...

Crime is down. Migrant workers and customers are staying home. As part of our video series on Trump’s second term, The Wall Street Journal’s Michelle Hackman takes us inside the aftermath. Photo ...

Until recently, arresting an immigrant suspected of being in the country illegally took time. Immigration agents needed to run the suspect’s various forms of ID through different systems, and if the ...