Edelman is one of the world's leading PR firms, and despite the fact that they're the go-to if you want to launder the reputations of the House of Saud or the Transcanada pipeline by running massive fake-grassroots campaigns on social media, they also bill themselves as an ethical firm, refusing to take engagements for coal, tobacco or gun companies (they will, however run smear campaigns against vegan mayo). Read the rest