Research Ipsos-Ipec released on Monday shows that 56% of Brazilians say they do not trust president Luiz Inácio Lula da Silva (PT), while 41% say they trust the president petista. The scenario maintains the percentage of previous disclosures. Other 3% did not know or did not respond. See numbers: New Datafolha makes Lula maintain advantage in Rali, GLOBO research aggregator Datafolha: Negative assessment of the Lula government remains at 38%, ag…