A start to answering the question in the title may lie in a couple of admittedly Washington-biased stories:

A Virginia congressman, conservative and Republican, is holding hearings of his subcommittee on the Sudan Government’s bombing of refugee camps in their civil war. He looks around the room filled with the lobbyists representing that government hired with money from its large oil reserves and asks: “Who among Washington’s well-paid consultants speaks for the victims of Third World violence?”