Brazil’s elections on October 7 produced a rather predictable result, reflecting at all levels what the presidential polls were showing us: a face-off between far-right Jair Bolsonaro and left-wing Fernando Haddad.
There were, however, some surprises in there, such as the astounding increase of party fragmentation in Congress, the amazing success of Mr. Bolsonaro’s party in legislative races, the crushing defeats of political chiefs in senatorial and gubernatorial elections, and the unexpected rise of some candidates for governor.
In 2019, our party system will become even more fragmented than it already is, with...