Democrats actively oppose the Trump administration’s efforts to arrest and deport illegal immigrants, despite the administration’s focus on those with criminal histories.To support their opposition, Democrats frequently claim, almost as an article of faith, that illegal immigrants are less prone to commit crime. “The crime rate among immigrants is far lower than the crime rate among native-born Americans,” New York Rep. Jerrold Nadler asserted confidently. “So the whole issue is wrong.”“Immigrants commit crimes in this country at a rate lower than natural-born citizens,” added Connecticut Sen. Chris Murphy. “So, if you want a safe town or a safe neighborhood, you...