Mitt Romney Tax Returns

Republican Mitt Romney's campaign unleashed new attacks on President Barack Obama on Tuesday, with one of Romney's surrogates saying he wished Obama "would learn to be an American" before apologising within hours for the remark.

US President Barack Obama released his tax return on Friday, showing that he earned nearly $800,000 last year, leveraging the annual rite to launch a new attack on his wealthy Republican foe Mitt Romney.

Republican Mitt Romney's campaign unleashed new attacks on President Barack Obama on Tuesday, with one of Romney's surrogates saying he wished Obama "would learn to be an American" before apologising within hours for the remark.

US President Barack Obama released his tax return on Friday, showing that he earned nearly $800,000 last year, leveraging the annual rite to launch a new attack on his wealthy Republican foe Mitt Romney.