Introduced by Samuel L. Jackson in an Uncle Sam outfit, Kendrick Lamar blazed through his back catalog and tracks from his latest release, GNX, at the Super Bowl in New Orleans — and after multiple teases, launched into part of his Drake-savaging hit “Not Like Us.” He skipped the word “pedophile,” but the entire stadium roared when he rapped the “a minor” double entendre. When Lamar ...