Share 'OBAMA ACCEPTS NOMINATION TO RUN AGAINST MCCAIN: Historic event happens on the 45th anniversary of MLK's 'I Have A Dream' speech'

*Surrounded by an enormous, adoring crowd, Barack Obama promised a clean break from the "broken politics in Washington and the failed policies of George W. Bush" Thursday night as he embarked on the final lap of his audacious bid to become the nation's first black president. "America, now is not the time for small plans," the 47-year-old Illinois senator told an estimated 84,000 people packed in…