FAIR.org (a liberal media critics group) reports several reportedly liberal media sources lament the lack of more interventionism in Syria:
Media Support US Violence Against Syria, But Long for More
Corporate news outlets seemed genuinely upset that more U.S. violence was not forthcoming by Gregory Shupak
https://www.commondreams.org/views/2018/04/22/media-support-us-violence-against-syria-long-more
note the sources cited: NY Times, Washington Post, Guardian, the Atlantic
Recall that Wapo and the NY Times beat the drums for Bush's war on Iraq more than any other news source.
By contrast, I have previously posted links opposing war and interventionism in Syria which were all conservative.