GABRIEL STARGARDTER PRESIDENT  Jair Bolsonaro rattled Brazilian politics and irked military commanders with a major cabinet reshuffle this week but one powerful constituency is thrilled: the police have one of their own running the Justice Ministry. By picking a cop, rather than a lawyer or civil servant, Bolsonaro sent a clear message on law and order in turbulent times, said Wellington Corsino, who leads an association of 134,000 state military police officers. "It's great to have a president who is concerned with public security at this time of disturbance, at a moment of political, social and economic instability," said Corsino.…