brasilia one four minister represent centrist brazilian party president michel temer government resign monday underscore rift embattle leader one powerful coalition partner bruno araujo say resignation letter respect autonomy temer give head ministry cities brazilian social democracy party psdb long support remain position intense internal debate within psdb play young lawmakers urge abandon scandal-plagued temer government elders counter support maintain provide stability nation late october however government source tell reuters temer plan shuffle cabinet push psdb members majority lawmakers low house congress vote put trial allegations corruption temer manage avoid trial members psdb say support economic reform temer government consider fragile leader attempt overhaul country pension system move view key plug government budget deficit psdb also plan stand candidate presidential election next october many members want distance deeply unpopular temer government good chance poll brazilian minister quit sign rift temer 's coalition