As a last resort, he went to domestic energy producers — the same people he proclaimed to be the enemy — to beg for help. It would be his just desserts if they told him to get lost, but the truth is, his appeal is irrelevant. Domestic producers are not a cartel like OPEC that ...
In the last example, the author presents authoritative knowledge of the subject, yet admits to having no references at hand: "I don’t have any sources at the moment but I’m sure a heap of digging would eventually bring light to something." Other authors, most of whom are not black, ...