When President Trump announced that he would end the Obama-era program called Deferred Action for Childhood Arrivals, or DACA, he gave Congress six months to make it law. Otherwise, many undocumented immigrants brought to the United States as children could be deported. As the clock counts down, why is the president making the program his problem once again?Guest: Michael D. Shear, a White House correspondent for The Times. For more information on today’s episode, visit nytimes.com/thedaily.