He added, "It can never be said of me that I am a man or a president who circumstance has paralyzed or forced to buckle".
"Kat Stacks—or Andrea Herrera, her real name was a victim of her circumstances who overcame those circumstances by empowering herself and other people," said Prerna Lal, one of the founders of DreamActivist.org, the group behind the petition.
Yet Mr. Obama is not a politician who uses circumstances and relationships to cajole.
And race mattered, too: Just 32percentt of black Christians blamed lack of effort, compared to 64percentt who blamed circumstances.
"There are still plenty of donors who hope circumstances will change and there will be an opportunity for Romney to run again," he said.
Unencumbered single women who by circumstances do not have a mate or childbearing responsibilities have to do something with their time and intellect.
People who, through circumstance, culture, language or lack of interest, seldom, if ever, vote or answer opinion polls.
The wisdom of sending a fleet of short-handed sailors -- who by circumstance are a sleep-deprived lot -- on a chase for caffeine has apparently never been questioned.
"People are being cautious," said one intelligence official who, considering the circumstances, spoke on condition of anonymity.
Under such circumstances, who could refuse?
