aboard papal plane pope francis say hop u.s. president donald trump would re-think decision end program protect undocumented immigrant children say important young people root one hop re-thought somewhat francis say sunday answer question plane return colombia program start predecessor know defer action childhood arrivals daca speak daca problems immigrant families general add want learn trump decision trump move month end five-year-old program institute former president barack obama plunge almost 800,000 young people know dreamers uncertainty draw criticism business religious leaders mayors governors democratic lawmakers unions civil liberties advocate trump say election campaign would end daca become president last week 15 state district columbia file lawsuit challenge trump decision claim decision motivate least part discriminatory motive mexicans large beneficiary program point statements 2016 presidential campaign .. end young people feel like hope rob hope drug addictions suicides youth suicides high happen tear root francis say relationship young person root important young people uproot today ask help say appear take swipe trump say president unite state ... present man pro-life good pro-life understand family cradle life defend unity pope already clash trump immigration issue president intention build wall border mexico deport undocumented alien francis first latin american pope make defense immigrants major plank papacy pontiff say presidential campaign man think build wall bridge christian trump grow presbyterian family shoot back say disgraceful pope question faith trump meet pope vatican tour middle east europe last may pope hop trump re-thinks daca decision immigrant children