Cracks show inside Islamic State's shrinking caliphate

ERBIL, Iraq (Reuters) - It was barely more than a squiggle, but the mark of a single letter sprayed overnight on a wall in the heart of Islamic State's self-proclaimed caliphate was a daring act of dissent.

from Reuters: Top News http://uk.reuters.com/article/uk-mideast-crisis-iraq-islamic-state-idUKKCN0ZE1XM?feedType=RSS&feedName=topNews