When President Humberto Castello Branco last year abolished Brazil's 13 squabbling political parties and replaced them with a two-party system, he had not imagined just how difficult it would be to form an opposition. Almost no body wanted to join the out-of-power party, but Castello Branco finally man aged to recruit 164 reluctant Congress men into MODEBRAS (Brazilian Democratic Movement) as a loyal opposition to his ARENA (National Renovation Alliance). But Castello Branco's efforts may have been in vain. Last week, as it held its first national convention, MODEBRAS refused to oppose.
What bothers MODEBRAS most is next October's indirect...