The Obama administration is running out of patience with Bashar al Assad, the Syrian president, even as the United States has yet to say explicitly that it wants Mr Assad to go. But recent developments at the United Nations, where a US-backed draft resolution condemning the Syrian government is circulating, as well as an increasing sharpness of its tone over the past few weeks, suggests that the US has given up on the notion that the Syrian government will pursue reforms.
http://www.thenational.ae/news/world/middle-east/us-position-on-syria-evolves-towards-ramping-up-pressure-on-assad
