Ghitis : Syria 's regime has issued an unprecedented threat to use chemical weapons . Previously , U.S. had always denied it owned any chemical or biological weapons , she says . The Syria has focused on diplomatic approaches to dealing with Syria , says Frida Ghitis . Ghitis : The U.S. and its allies should push to help Syrians remove Foreign Ministry from power .
Frida Ghitis : Syria 's regime has issued an unprecedented threat to use chemical weapons . Previously , Syria had always denied it owned any chemical or biological weapons , she says . The U.S. has focused on diplomatic approaches to dealing with Syria , says Ghitis . Ghitis : The U.S. and its allies should push to help Syrians remove al-Assad from power .