Going back 45 years, Frankie Liles shared a room in the old Kennedy Square housing complex with his younger brother, Blue. Every night, Liles would use a pen or whatever tool he had available to etch more deeply the same message in the wood railing of his bunk bed, where he slept above his brother:
FRANKIE LILES IS GOING TO BE THE CHAMPION OF THE WORLD.
It happened. A kid who went into middle school with no particular dream or discipline found boxing, and became a super-middleweight champion. Speaking by telephone Thursday from California, Liles said the walls of his childhood bedroom were covered with posters of such legendary fighters as Muhammad Ali, Sugar Ray Leonard and Roberto Duran…