He ordered a thorough staffing review, saying he was "convinced that the door of the Planalto (presidential) palace was opened for people to enter because there are no broken doors."Leftist Lula, 77, beat Bolsonaro by a razor-thin margin in October elections that followed a vitriolic and divisive campaign.As he marked a week in office, thousands broke into the seats of power on January 8, smashing furniture, damaging priceless works of art and leaving behind graffiti messages calling for a military coup against Lula.Last week, the president said any "radical bolsonarista" still in government would be dealt with, and cited media reports of alleged threats made by staffers inherited from the previous administration.Bolsonaro, who left Brazil for the United States on December 30, two days before Lula's inauguration, is being investigated on suspicion of instigating the uprising."