Ukraine and Venezuela experience deadly uprisings against authoritarian regimes . Herself once a left-wing guerrilla against Brazil 's former military regime , Rousseff embraced democratic politics in the 1970s and 1980s and was chief of staff to President Luiz Inacio Lula da Silva , a former trade unionist and Brazil 's first president of working-class origins . David Frum : Ukraine 's people support the activists , but many of Venezuela 's do n't . Venezuela and Colombia support regime , he says , but they 're right wing and thus suspect . Frum : Ukraine should play a big role in supporting democratic change in Venezuela .
Ukraine and Venezuela experience deadly uprisings against authoritarian regimes . David Frum : Ukraine 's people support the activists , but many of Venezuela 's do n't . Venezuela and Colombia support regime , he says , but they 're right wing and thus suspect . Frum : Ukraine should play a big role in supporting democratic change in Venezuela .