GABRIEL STARGARDTER NEARLY two weeks after Luiz Inacio Lula da Silva defeated far-right President Jair Bolsonaro in Brazil's most fraught election in a generation, Milton Baldin arrived in the capital Brasilia to try to overturn the result. A small business owner from the deep interior of Brazil, Baldin, 55, joined thousands of hardcore Bolsonaro supporters who had set up an encampment outside army headquarters, from where they were urging the military to stage a coup. On November 26, Baldin took to the camp's stage and made a call to gun owners across Brazil, a group that has surged to nearly a…