Mitt Romney has never been a president.
Mitt Romney hasn't been president so we can't answer that yet.
On November 6, 2012, Barack Obama defeated Mitt Romney, and was re-elected to the presidency. Thus, Barack Obama remains the president.
As I write this answer, Barack Obama is the president. But on November 6th, 2012, there will be an election. We do not know who will win it, but after it is over, we will know if Mr. Obama is re-elected or if Mr. Romney is the new president.
Mitt Romney and Barack Obama
Mitt Romney.
Mitt Romney is way more wealthy that President Barrack Obama in personal savings.
Obama is the best
On November 6, 2012, President Obama defeated Mitt Romney and won a second term in office.
Barack Obama (D) and Mitt Romney (R).
Barack Obama
It depends on which debate, since there were three of them. Most critics believe Mr. Romney won the first debate (although people who listened on radio seemed to feel it was a draw, as opposed to TV watchers, who thought Romney made a better impression); the polls and the majority of critics believe that President Obama won the second debate; and the third seems to be the most partisan-- Republicans believe Romney won, while Democrats believe the president did.
Barack Obama