Some leaders think time will solve the problem. Their hope is that Assad's regime will ultimately fall from the heavy toll of the horrors it has spawned. From past experience with such regimes, this scenario is unlikely to happen.
I don't inflict horrors on readers. In my research, I've uncovered truly terrible documentations of cruelty and torture, but I leave that offstage. I always pull back and let the reader imagine the details. We all know to one degree or another the horrors of war.
There is a lot of interest among the descendants of Holocaust victims in getting back artworks that were looted by the Nazis, for getting at least some form of compensation and closure for the horrors visited upon their families.
I participated in every spring musical my school did while attending: 'Pippin,' 'Little Shop of Horrors,' 'Once on This Island,' and 'Hair.' The great thing about those projects was that I was able to work with my peers who were allowed to work professionally and gained some insight as to what it might be like to work with pros.