Out Break Sectarian Disease

From a regional war to a global war, now outbreak disease of sectarian outspread to beyond its controllable arena, either US et al, involved precisely with drones...ect to take out criminal Assad's  airfields and destroy  air-powers and provider lethal arm to FSA, what option you have now, appears to criminal Assad bit gaining, but that is not gaining,  yes he is gain as a criminal, Syria is losing every single day... one criminal Assad has to go, Assad only! Keep criminal Assad cost of  not only millions of Syrian people suffering but also world peace and security! Why this nobody criminal Assad so important than millions of Syrian and world peace and security? Assad is not a president but a mere criminal!  Beyond comprehension!