Frida Ghitis : U.S. inaction in Syria is risky ; the situation endangers the world . She says tyrants are watching after president drew line on chemical weapons . Ghitis : It is now a hate-filled maelstrom of Sunnis , Shiites , Allawites , Christians , Kurds and others . The United States has been reluctant to intervene militarily because it fears that doing so would lead to a wider conflict with Russia and Iran, which could destabilize the Middle East. Ghitis : War is spreading , and U.S. must not let Assad , Iran and Hezbollah win .
Frida Ghitis : U.S. inaction in Syria is risky ; the situation endangers the world . She says tyrants are watching after president drew line on chemical weapons . Ghitis : The United States has been reluctant to intervene militarily because it fears that doing so would lead to a wider conflict with Russia and Iran, which could destabilize the Middle East. Ghitis : War is spreading , and U.S. must not let Assad , Iran and Hezbollah win .