By Thomas McKinless

At a naturalization ceremony Tuesday, President Barack Obama made a fervent defense of refugees entering the United States, comparing the recent anti-immigration political climate to the “darkest chapters” of American history. “In one of the darkest chapters in our history, Japanese immigrants, and even Japanese-American citizens, were forced from their homes and imprisoned in camps,” Obama said. “The biggest irony of course was that those who betrayed these [American] values were themselves the children of immigrants. How quickly we forget.”