I liked these dark political works when I saw them at Rokeby at Pulse.
When I saw this painting:
I was reminded of one of the most effective memorials I have ever seen -- the Geschwister Scoll Platz in Munich. Click on the image to get a bigger version that is easier to read.
Here is an image from the gallery's website:
Sam Dargan, The great only appear great because we are on our knees, 2006