Later today, Greek Prime Minister George Papandreou and Greece's main opposition leader are expected to announce details about their plan to form a new unity government  and to name a new prime minister. Greece has rarely had unity governments. But fears that the crisis could infect other euro zone nations, like Italy and Spain, has pushed Greece into uncharted territory. The agreement appears to have broken a paralyzing political deadlock, and cleared the way for the government implement its debt rescue plan before dissolving and holding elections. The  New York Times Rome bureau chief Rachel Donadio has more from Athens, Greece.