NWA: Welcome to L.A.

"Takin' a life or two/That's what the hell I do." The rap band NWA – Niggers with Attitude – compares Los Angeles street life to Vietnam: bragging about gang violence and drug abuse, rap reaches new heights of machismo. Liberal America is horrified, but white youth is buying the records fast enough to give black music its biggest following since Motown. BY MARK COOPER