Jayland, there may be vicarious pleasure in reducing Raqqa to a rubbish heap but morally that is not where we want to go.
Getting them to a negotiation table might be a laudable idea but they show no inclination to play by 20th Century rules.
This is asymmetric warfare on a regional scale. Pretty clearly there is State sponsorship but no one seems to want to name names.
What course do you suggest?