I was struck by how many prominent liberal and leftist pundits and journos took no position, at least none than I could find. (I’d argue that not speaking out against intervention — a euphemism for what was clearly a war of aggression from the outset — is a failing only slightly smaller than supporting it.) There were also people like Spencer Ackerman who opposed intervention, then said they were wrong for doing so when it appeared (to them) to be a success. Chris Hayes opposed intervention then said he was wrong to have done so then said he was right to have done so.
It’s not always clear what constitutes support for intervention. For example, Laurie Penny cheered the No Fly Zone, then changed her mind shortly after. That is, she supported the UN No Fly Zone but opposed the US-NATO intervention. As did — to my surprise — Noam Chomsky. Yet a No Fly Zone necessitates bombing, and the UN intervention led to the second and, perhaps more to the point, the UN intervention was driven by the US and NATO. So, yes, both Chomsky and Penny make the list.
You’ll likely quibble with my classifications. Is Robert Pape really a liberal? No, probably not, more of realist, but he’s generally seen as anti-intervention, so. And while I generally didn’t include government officials, I cited AM Slaughter, who worked State at the time, because I felt that any list of cruise missile liberals would be incomplete without her.
Very few of those listed below have written much, if at all, about Libya since Qaddafi’s death. Juan Cole is a notable exception.