With his surprise-dropped “GNX,” Kendrick Lamar roars from zero to 60 faster than a turbocharged ’87 Buick, faster than you can shout “Mustaaaaard.” And waaaaay faster than you can decode the dense biblical centerpiece “Reincarnated.” Keeping the same energy of his landmark Pop Out concert five months ago, Lamar surrounds himself with up-and-coming Los Angeles […]