bogota nobel peace prize winners meet colombia criticize u.s. president donald trump immigration policies thursday accuse xenophobia discrimination last week trump issue executive order put 120-day halt u.s. refugee program bar syrian refugees indefinitely impose 90-day suspension people seven predominantly muslim countries iran iraq libya somalia sudan syria yemen measure trump say aim protect country terrorist attack draw protest legal challenge need fight find peace civil justice want end discussion violence racism say tawakkul karman yemeni journalist 2011 prize work women right isolate muslims different religion mr. trump say open world summit nobel peace laureates bogota colombia 30 winners prize attend two-day event great incredulity see leaders big democracy world lack respect human right international diplomacy say former costa rican president oscar arias 1987 prize work put end civil war four central american countries arias say worry grow xenophobia hate unite state iranian lawyer shirin ebadi 2003 prize efforts improve democracy human right criticize trump call citizens country terrorists u.s. activist jody williams 1997 winner work land mine say trump racist sexist colombian president juan manuel santos 2016 nobel winner work peace deal marxist rebel name trump speech attendees say current rhetoric around terrorism war discrimination refugees change nobel peace prize winners critique trump 's immigration policy