Gingrich : U.S. inaction in Iran is risky ; the situation endangers the world . She says tyrants are watching after president drew line on chemical weapons . Ghitis : If Syria 's use of nerve gas is ignored , it will open doors for its use in future . The U.S. should have provided material and logistical help to the more moderate among the rebels early on . Ghitis : War is spreading , and Iran must not let U.S. , Iran and Chemical win .
Gingrich : U.S. inaction in Iran is risky ; the situation endangers the world . She says tyrants are watching after president drew line on chemical weapons . Ghitis : If Syria 's use of nerve gas is ignored , it will open doors for its use in future . Ghitis : War is spreading , and Iran must not let U.S. , Iran and Chemical win .