What sort of music do you listen to? ciprofloxacin used for chlamydia There are multiple reasons for the US to act now in Syria.  First, Assad’s chemical weapons attacks against civilians are a war crime and cross a vital line established nearly a century ago â no country can use poison gas and get away with it. A US military strike would be a warning to Assad and other potential predator nations that they should not even think about using such weapons in the future.