The current (September 2010) Premier of Ontario is Daulton McGuinty and he leads the Liberal party.
This depends on the country. See related questions.
In 2010, Ontario's provincial opposition party was the Progressive Conservative Party of Ontario. Their leader at the time was, and still is (as of 2012), Tim Hudak (who assumed leadership of the party on July 1, 2009.)
The First Nations Political Party was created in 2010.
The Conservative Party led by Prime Minister Stephen Harper was in charge of a minority government in Canada in 2009.
People's Power Action Party was created in 2010.
Currently, in August 2013, The Conservative Party and the Liberal Democrats are in a coalition government.
The balance of political power in the House of Representatives shifted from the Democrat party to the Republican party and, among other things a new Speaker of The House resulted in a change in the Presidential line of succession.
The Australian Labor Party (ALP) is currently in power in Australia (2010).
A good example for a Political Party are The Labour Party The Liberal Demrocrats The Conservatives All competed in the 2009-2010 Election in the UK.
The United states is currently Democratic. [9/29/2010]As of 2011, the current party in power in the United States of America is the Democratic Party, lead by President Barack Hussein Obama.
As of 2010, the Democrats control the presidency and majorities in both houses of Congress. Supreme Court justices are officially non-partisan, but the common wisdom is that the current court is quite conservative (meaning it leans more towards Republican beliefs than the other two branches).