Under the reforms, to qualify for a licence to practise social workers will have to do a probationary year after completing a degree.

BBC: Boost for social workers in wake of Baby P case

Sir Graham's review found that too many black officers were failing their probationary year in the job and those who did stay on lost out on promotion.

BBC: Probation service 'racist'

"The probation service pioneered equal opportunities and it is still well ahead of other agencies, but Napo is deeply concerned about the number of black staff failing their probationary year, " spokesman Harry Fletcher said.

BBC: Probation service 'racist'

Thomsen cited Aguirre's "inability to work effectively with other staff and his unwillingness to operate within the Securities and Exchange Commission process" as the reason for his firing in September 2005, weeks after Aguirre was given a positive review, but days before his one-year probationary period at the agency was to expire.

FORBES: Congress Takes On SEC