The Brief Trump warned Europe that immigration is "destroying your heritage." President Donald Trump returned to the United Nations Tuesday to deliver a speech on his second-term foreign policy achievements. What they're saying:Trump warns Europe immigration is ‘destroying your heritage’Trump called immigration and policies confronting climate change a "double-tailed monster" that’s ruining Europe. Trump lectures the world on immigration policy"It’s time to end the failed experiment of open borders. Trump blasts UN as being filled with ‘empty words’ and not helping end warsStanding in front of top U.N. officials, before more than 150 world leaders, Trump blasted the international organization.