brasilia brazil president michel temer make policy spend concessions effort survive congressional vote corruption charge wednesday put reform agenda risk analysts political actors say please powerful farm lobby two-fifths vote low house temer agree low fin environmental damage attempt relax definition slave labor force backtrack outcry clear move favor ally republican party 37 seat 512-seat chamber run transport ministry temer remove sao paulo busy lucrative congonhas airport list airports privatize party appointees ministry state airport operator infraero critics political observers say temer sacrifice austerity policies save presidency emerge wednesday vote weaken leader unable pass substantial measure overhaul pension system temer face charge bribery case base testimony owner world large meatpacker jbs sa implicate several cabinet minister low house decide whether president stand trial supreme court take place two-thirds deputies vote survive majority though vote believe enough evidence put trial supreme court say fabio sousa lawmaker centrist brazilian social democracy party psdb member temer govern coalition temer manage block first corruption charge august face charge obstruction justice criminal organization allegedly receive bribe jbs temer meet dozens lawmakers recent days secure vote presidential aid say hop widen margin support move ahead reform paralyze six months political crisis vote come cost pork-barrel spend accord public spend watchdog contas abertas temer fast-tracked spend congressional district worth 4.4 billion reais 1.3 billion help win first vote hit billion real mark ahead wednesday vote globo newspaper estimate cost temer handouts taxpayers 12 billion reais half would come plan airport concession auction yet analysts believe temer get less vote time lawmakers start distance government ahead next year general elections vote temer become lame duck president difficult pass reform say david fleischer politics professor emeritus brasilia university investors wait see temer deliver pension reform tackle budget deficit cost brazil investment grade credit rat get social security reform approve badly water fleischer say brazil 's temer make concessions survive office