"Saudi Aramco, the world's biggest oil company, has turned to Hill and Knowlton to devise its communications strategy," reports O'Dwyer's PR Daily. "H&K's communications counsel comes as fear spreads of a big spike in energy prices triggered by the U.S. invasion of Iraq." Hill & Knowlton is the PR firm notorious for its deceptive PR campaign in 1990 [3] to promote the first U.S. war in the Persian Gulf.