An elite Syrian unit that runs the government's chemical arms program has been scattering the weapons to dozens of sites across the country, potentially complicating US plans for air strikes, the Wall Street Journal reported. The newspaper, citing unnamed US officials and lawmakers briefed on the intelligence, said on its website on Thursday that a secretive military group known as Unit 450 had been moving the stocks around for months to help avoid detection of the weapons. US and Israeli intelligence agencies and Middle Eastern officials still believe they know the location of most of the government's chemical weapons supply,...