US Democratic Representative from Florida Alan Grayson speaks as people protest against a US military intervention in Syria in front of the Cannon House Office Building near the US Capitol in Washington on September 9, 2013. US Senate Majority Leader Harry Reid said he is delaying a key vote on authorizing the use of force in Syria to let President Barack Obama publicly address the issue. Earlier in the day, the top Obama ally in Congress had scheduled the crucial test vote for Wednesday but then backtracked to let the US leader sell his plan on strikes against the regime of Syrian President Bashar al-Assad.