In 2008, it was U.S. Senator John McCain of Arizona. In 2012, it was former Massachusetts governor Mitt Romney.
In 2008, having fought against Hillary Clinton for the Democratic nomination, Barack Obama's opponent was Republican presidential candidate John McCain, whom he defeated to become president. In 2012, Mr. Obama had to fight against Republican presidential candidate Mitt Romney; once again, he was victorious, winning a second term as president.
Barack Obama, incumbent President and 2012 Democratic candidate is a lawyer.Mitt Romney, the Republican candidate is not a lawyer but a financier .
The republican candidate for president of the United States in 2012 was Mitt Romney, former governor of Massachusetts. He lost the General Election to Barack Obama.
The current president, Barack Obama, is not a Republican.
The democratic candidate is Barack Obama. The republican candidate is John McCain. The actual presidential election in November will be a choice between the Democratic candidate and the Republican one. If the democrats win, the president will be Barack Obama. If the republicans win, John McCain will be the new president. Wich everyone knows John McCain is going to win. == ==
President Obama is a democrat. You could register to vote as a Independent or Republican.
Alan Keyes Alan Keyes replaced Jack Ryan as the Republican candidate
Barack Obama became the president elect of the United States in November, after the 2008 election. He will step into office officially in mid January.
Democratic Party candidate Barack Obama won the 2008 presidential election defeating Republican Party candidate John McCain. In the 2008 presidential election Barack Obama received 365 electoral votes and John McCain received 173 electoral votes. The popular vote totals were Obama 69,297,997 and McCain 59,597,520.
In the 2008 election, Mr. Obama first ran against Hillary Clinton to get the Democratic party's nomination for president. He then ran against the Republican party's nominee, John McCain, and defeated him.
In mid-2012, Romney is seeking the nomination by the Republican party as its Presidential candidate in the November, 2012 election (likely running against incumbent president Barack Obama).
His main challenger was Republican Mitt Romney. There were also third-party candidates on the ballot, such as Libertarian Gary Johnson and Green Party candidate Jill Stein. Mitt Romney, former governor of Massachusetts and financier vulture capitalist was the Republican who ran against Obama in 2012.