Robert Casey actually said...

"Mr. Assad must step down from power."

"What we have to say to President Assad can be summed up very briefly: step aside and allow your people to begin the peaceful, orderly transition from authoritarianism to democracy."

"I think the fact that the Arab League has now made an attempt that he seems to be kind of thumbing his nose at--for lack of a better description--"

"The opposition's ability to come together, because of the Turkish facilitation, is a tremendous accomplishment."