Czech Republic's Foreign Minister Karel Schwarzenberg, left, and US Secretary of State Hillary Rodham Clinton, right, arrive for their press conference in Prague, Czech Republic, Monday, Dec. 3, 2012. Secretary of State Clinton is lobbying the Czech Republic authorities to approve an American contract bid for an expansion of a nuclear power plant. (AP Photo/Petr David Josek)
We once again issue a very strong warning to the Assad regime that their behavior is reprehensible, their actions against their own people have been tragic," she said. "But there is no doubt that there's a line between even the horrors that they've already inflicted on the Syrian people and moving to what would be an internationally condemned step of utilizing their chemical weapons.