used, but this isn t a closed case. syria s ambassador to the u.n. claims rebel forces are responsible for this and other chemical attacks in the country. and secretary-general ban ki-moon says after two days of investigating, inspectors on the ground in damascus still have two more days of work left to do. the u.n. urges the u.s. and allies to be patient. it is very clear, the security council has to be brought in. reporter: the state department claims the u.s. will not wait for authorization from the u.n. security council, and assad promises to forcefully respond to any military action. if bashar al assad didn t hesitate to use chemical weapons against his own sleeping civilians, what s to stop him from using them against sleeping turks, jordanians or israelis? now more than 100 house republicans and democrats have signed a letter urging president obama not to act until he has congressional approval. john and diana? marci, thank you.
substance was used, but this isn t a closed case. syria s ambassador to the u.n. claims rebel forces are responsible for this and other chemical attacks in the country. and secretary-general ban ki-moon says after two days of investigating, inspectors on the ground in damascus still have two more days of work left to do. the u.n. urges the u.s. and allies to be patient. it is very clear, the security council has to be brought in. reporter: the state department claims the u.s. will not wait for authorization from the u.n. security council, and assad promises to forcefully respond to any military action. if bashar al assad didn t hesitate to use chemical weapons against his own sleeping civilians, what s to stop him from using them against sleeping turks, jordanians or israelis? now more than 100 house republicans and democrats have signed a letter urging president obama not to act until he has congressional approval. john and diana?