US president-elect Barack Obama could make an "amazing" difference for the world's poor if he fulfils his campaign pledges, the head of the UN's Millennium Campaign said in an interview with a foreign news agency on Sunday. Outgoing President George W. Bush kept his promises on international aid but did not make an effort towards the other Millennium targets for developing countries, campaign director Salil Shetty said in Doha on the sidelines of a UN conference on Financing for Development. "During the election campaign, Obama said the 'Millennium Development Goals are our goals'. If he keeps to that promise it will be amazing," Shetty said, also welcoming Obama's promise to double US foreign assistance.