In 1918, just as the age of mass democracy was born, the Labour Party committed itself to an avowedly socialist constitution, which made reconciliation with the Liberals impossible.

ECONOMIST: The Labour Party

On Sunday, he again accused the socialist PSUV of violating the constitution.

BBC: Venezuela opposition leader Capriles to stand in election

Critics of the socialist government already complained that officials violated the constitution by swearing in Vice President Nicolas Maduro as acting leader Friday night.

NPR: Venezuela Sets Presidential Election For April 14