What can be learned about Yukio Hatoyama from the passage?

(7) The man expected to be Japan’s next prime minister Yukio Hatoyama has held his party’s election victory as a revolution. Exit polls suggest the center left Democratic Party of Japan has won by landslide, crushing the Liberal Democrats who have dominated Japanese politics for half a century. Roland Buerk reports from Tokyo. Japan has now beginning a process that has only been through once before since 1955 the transition of power from the Liberal Democratic Party to a new government. (8) Yukio Hatoyama must nicely steer the world’s second biggest economy back to sustainable growth after a crushing recession and tackle record unemployment. The Democratic Party plans to forge a diplomacy less subservient to the United States, and improve relations with its Asian neighbors. They’ve also promised to expand the welfare state, (8) even though Japan is already deeply indebted, and rapidly aging population is straining social security budgets.