President Donald Trump defended the immigration clampdown that sparked a global backlash over the weekend by blaming the confusion at airports on protesters and on a computer outage at Delta Air Lines Inc. that caused flight cancellations.
“Only 109 people out of 325,000 were detained and held for questioning. Big problems at airports were caused by Delta computer outage” and “protesters,” Trump said in a series of Twitter messages Monday. Homeland Security Secretary John Kelly...