[ad_1] Former President Donald J. Trump, speaking at a multimillion-dollar fund-raiser on Saturday night, lamented that people were not immigrating to the United States from “nice” countries “like Denmark” and suggested that his well-heeled dinner companions were temporarily safe from undocumented immigrants nearby, according to an attendee. Mr. Trump, the presumptive Republican presidential nominee, made the comments during a roughly 45-minute presentation at a dinner at a mansion owned by the billionaire financier John Paulson in Palm Beach, Fla., a rarefied island community. Guests were seated outdoors at white-clothed tables…