magazine published a rape on campus in november 2014 issue .
graphically recounted supposed gang-rape of university of virginia student .
sabrina rubin erdely wrote article based on interviews with victim ` jackie '
she claims she was raped by seven men and penetrated with a beer bottle .
jackie 's account soon fell apart , and rolling stone commissioned review .
12,000-word account published sunday , and recounted failures in depth .
rounded on erdely and editors for not probing the account more deeply .
erdely is expected to apologize - but will get to keep her job .