WASHINGTON – President Donald Trump’s proclamation Friday commemorating Columbus Day veered from a typical White House holiday announcement, with stark warnings of “radical activists” seeking to tarnish the explorer’s legacy.Native American advocates have pressed states for years to change Columbus Day to Indigenous Peoples Day over concerns that Christopher Columbus helped launch centuries of genocide against indigenous populations in the Americas.“Sadly, in recent years, radical activists have sought to undermine Christopher Columbus’s legacy,” Trump said in his proclamation declaring Monday Columbus Day. “These extremists seek to replace discussion of his vast contributions with talk of failings, his discoveries with atrocities, and his.