This shia crescent was an Iranian one as far as they are concerned, rightly or wrongly, as the country, like Turkey as example is one that has a long history around it regards potentially being able to act like a nation who has ideas of a return to an empire, erdogan is big on it, unlike most of the rest of the region which where created not that long ago and split based on easy lines to administrate on by outside forces. That the sectarianism didn't sit well with a lot of shia in the region makes sense to me on many levels, there were many death squads, I do not know who was directing most, as well as the ethnic differences, but demographically Iraq has become much more shia by percentage due to the killing and sunnis fleeing the region. People look at this as one side fits all, in such a region its more complicated then that and people remember.Good dispassionate article on the man from Robert Fisk.
There’s an extremely grim moment in the 1967 movie version of A Man for All Seasons, the epic Robert Bolt screenplay about the chancellor Thomas More’s refusal to support Henry VIII’s divorce, when Thomas Cromwell recruits the young and ambitious schoolteacher Richard Rich to become a spy. Rich...www.counterpunch.org
If Iran escalates this based on honour, then they are playing stupid, maybe there are issues at home that they feel they need to counter with a similar war mentality, get the nationalist fervor going, but I would hope they are taking advice from others, as otherwise they are either not playing it smart and/or the rest have abandoned them. Like Turkey they are not king makers in the current state of history.