The federal congresswoman Benedita da Silva (PT-RJ) leads the electoral race to the Federal Senate for Rio de Janeiro, according to the Datafolha Institute on Friday (21). Six candidates technically tied in the contest for the second place for the Upper House. The parliamentarian has 15% of the voting intentions, and the candidates Carlos Jordy (PL) and Carlos Portinho (PL) accumulate 8%, each. The members of the Liberal Party appear in technica…