Standing outside the White House, the unlikely trio of Sharpton, Bloomberg and Gingrich briefed reporters on their education conversation with Obama. Key points: • Gingrich, an Obama critic, praised the president for showing "courage, during the primaries when it was difficult he showed support for charter schools."• Bloomberg presented NYC as a model for school reform — and brushed off a question about AF1's Manhattan flyby. • Sharpton, like the others, said the trio was committed to working "across our political and ideological lines."