Syria's last-minute offer to turn over its chemical weapons cache has put that effort on pause. But it appears that Biden will nevertheless scrap the Panamanian leg of his trip to return back to the United States.

Biden will be visiting the port cities in Savannah and Charleston to lobby for additional infrastructure spending. In Mexico, Biden will meet with President Enrique Peña Nieto and participate in the launch of the U.S.-Mexico High Level Economic Dialogue.