Facebook continues to face heat over its censorship practices

(Reuters) – After Facebook’s removal of an iconic Vietnam war photo stirred an international uproar last month, the social network’s executives quickly backtracked and cleared its publication.
But the image – showing a naked Vietnamese girl burned by napalm – had previously been used in training sessions as an example of a post that should be removed, two former Facebook employees told Reuters.
Trainers told content-monitoring staffers that the photo violated Facebo