Get ready for a summer of teen mayhem, unless blue-city leaders across the country abandon their commitment to fostering disorder in the name of equity.The hot new thing is a “takeover” — a Gen-Z euphemism for a riot,*** Chicago saw several “teen takeovers” over Memorial Day weekend, with dozens of arrests of “youths” running as old as 28. And one of them saw Rashad Johnson, 18, allegedly plow his vehicle into a group of cops trying to restore order; he’s now charged with five counts of attempted murder.President Donald Trump posted: “Five officers badly hurt. Mayor and Governor are terrible....