Bangladesh, Nov. 11 -- President Donald Trump appears to have recognized that his unsuccessful war with Iran contributed significantly to the Republican Partys disappointing performance in the midterm elections. However, his apparent response to the electoral setback suggests he may have drawn the wrong lesson on another major issue: immigration. In a weekend interview with Ross Douthat on 60 Minutes, Trump indicated that he was willing to work with Democrats on immigration, potentially offering legal status to undocumented immigrants who have lived and worked in the United States for years without committing serious crimes.

The irony is that immigration was arguably the only major issue that worked in Republicans favor during the midter...