San Antonio Spurs head coach Gregg Popovich attacked Columbus Day on Friday, slamming his “backward” hometown for marking the day while accusing the famed 15th-century explorer of initiating a “new world genocide” and branding Italian-American support for honoring the day akin to Germans “proud of Hitler.” After the first-ever presidential proclamation for Indigenous Peoples’ Day — which honors Native American peoples — was issued by President Joe Biden on Friday, Popovich praised the move, which has long been pushed by the left, calling it “appropriate, important, needed and all those sorts of things.” “Columbus?” he asked mockingly. “I mean he...