sao paulo approval brazilian president michel temer government plummet accord poll publish tuesday scandal-plagued leader face new corruption charge struggle push economic reform agenda congress poll firm mda say 3.4 percent survey think temer government great good job 10.3 percent mda last poll february temer take year ago impeach leftist dilma rousseff say care popularity want push austerity package term end jan. 2019. yet ability hamstring charge take bribe racketeer obstruction justice charge temer base plea-bargain testimony owners world large meatpacker jbs sa accuse temer take bribe return political favor conspire buy silence witness could implicate leader temer repeatedly deny wrongdoing mda poll commission national transport lobby cnt survey 2,002 people across brazil sept. 13-16. poll margin error 2.2 percentage point approval rat brazil 's temer plummet poll