Firebrand leaders Hugo Chavez, Evo Morales and Robert Mugabe turned up the heat at the UN climate talks, dumping the blame for global warming squarely at the feet of capitalism. Mr Chavez, the President of Venezuela, was one of the first world leaders to take the podium at the venue of the Copenhagen talks. He seized the occasion to characterise newly-minted Nobel Peace laureate US President Barack Obama as a warmonger. "I don't think Obama is here yet," said Mr Chavez. "He got the Nobel Peace Prize almost the same day as he sent 30,000 soldiers to kill innocent people...