Obama wanted U.S. action in Darfur. Why not in Syria?

Fred Hiatt: Obama wanted U.S. action in Darfur. Why not in Syria? – The Washington Post.

Why not indeed? Were they being dishonest then? Or are they being dishonest now? What goes on in their minds these days, I wonder, as they watch the unfolding mayhem in Syria? Do they feel guilty? Do they feel ashamed? Or do they feel somehow justified somehow, through some twisted bit of logic disguised as realpolitik, in their decision to enter into a business deal with Assad over his chemical program, and Iran over its nuclear one, even as both continue with their sectarian genocidal venture in Syria? Do they feel anything at all?