As Caleb Williams leaves USC, Julian Lewis is set to follow

LOS ANGELES — Long before Julian Lewis was the heir apparent at quarterback USC, he was simply a seventh-grader playing ball at Pace Academy in Atlanta, and his father T.C. needed advice. They’d written the script for Lewis since he was 7, chasing greatness. Life was calculated, decisions structured around football dreams. And as Lewis went through middle school, his father debated whether he should keep him at private-school Pace or turn elsewhere. So he called a fellow quarterback dad for counsel: Caleb Williams’ father Carl. Carl suggested Lewis stay put. T.C. decided to send Julian to Carrollton High in Georgia, a public school. But after Lewis’ freshman year at Carrollton, when USC coach Lincoln Riley approached T.C. with an…