The oil company TransCanada has announced that it's dropping Edelman as its PR firm after documents leaked in which Edelman advised the company to attack opponents of its oil pipeline plans.
Attack Oil Pipeline Opponents, Advises Bad PR Firm

For controversial companies, the tactic of the moment is clear: attack! Attack! Attack your opponents, and smear them! The latest PR firm to offer this advice is Edelman, which advised an oil company client to attack the vicious, uh... community groups that oppose their plans.
So Long, You Filthy Canadian Tar Pipeline
Congressional Republicans forced the Obama administration to expedite its decision on constructing the Keystone XL pipeline late last year, and today they're getting their answer: No Keystone XL pipeline. Our president has abandoned the oppressed Canadian tar sands, who only ever wanted a one-way ticket to Texas and…