FPI provides "Five Steps to Hasten [Syrian strongman Bashar] Assad's Exit."
(1) Unequivocally call for Bashar al-Assad to step down
(2) Further sanction the Assad regime for human rights abuses
(3) Withdraw the U.S. Ambassador to Syria and expel Syria’s Ambassador to the United States
(4) Pressure the Assad regime over its secret nuclear program
(5) Get Turkey to exert pressure on the Assad regime
Whole thing here.