Geoplitics? There are none. This is Africa we're talking about. It's 2006, not 1886. They have nothing but oil. We want it. End of story. You feel sorry for the people who live in Bonny? Then stop driving a car.
That answer is simply too flip.  Come on; you can do better than that.
Maybe it sounded flip, but it was concise. I know a little about African history, politics, and oil-history and I could go on all day about it. But you can boil it all down to my above comment. Making the issues more complicated really doesn't serve any purpose.

African oil-rentier states make those in the Mid-East look like Norway. Nothing short of completely dictating how their economies are run will change anything. Look at Chad and its run-in with the World Bank.

And the poor people - if you stoppes buying the countries oil - they would have even less than the nothing they have now. Maybe you have a solution.

Ever heard of Ken Saro-Wiwe? I don't even think Nigeria makes the list of countries the US has a problem with.

Ken Saro-Wiwa was a corrupt demagogue who, by the magic of PR, managed to turn himself into a hero.
Really? The common understanding was that he was executed for something he didn't do. Maybe you'd like to enlighten us.
Yes, he was executed for a crime he either didn't commit, (or at least wasn't proven to have committed). That doesn't make him innocent either of being a demagogue or of being corrupt. He enriched himself by corruption when he was a Commissioner under the Gowon military government in the 1970s. Maybe his later activism under Abacha was a good thing on balance, but he was certainly a demagogue.
That maybe so, but I don't think this is really about Saro-Wiwe's previous transgressions. It's about the Nigerian Government's role. What about the other 9 people excuted with him? Were they equally deserving of their ends in your opinion?
The final eloquent words of Ken Saro Wiwa:

My lord,

We all stand before history. I am a man of peace, of ideas. Appalled by the denigrating poverty of my people who live on a richly endowed land, distressed by their political marginalization and economic strangulation, angered by the devastation of their land, their ultimate heritage, anxious to preserve their right to life and to a decent living, and determined to usher to this country as a whole a fair and just democratic system which protects everyone and every ethnic group and gives us all a valid claim to human civilization, I have devoted my      intellectual and material resources, my very life, to a cause in which I have total belief and from which I cannot be blackmailed or intimidated.

I have no doubt at all about the ultimate success of my cause, no matter the trials and tribulations which I and those who believe with me may encounter on our journey. Nor imprisonment nor death can stop our ultimate victory.

I repeat that we all stand before history. I and my colleagues are not the only ones on trial. Shell is here on trial and it is as well that it is represented by counsel said to be holding a watching brief.

The Company has, indeed, ducked this particular trial, but its day will surely come and the lessons learnt here may prove useful to it for there is no doubt in my mind that the ecological war that the Company has waged in the Delta will be called to question sooner than later and the crimes of that war be duly punished. The crime of the Company's dirty wars against the Ogoni people will also be punished.

On trial also is the Nigerian nation, its present rulers and those who assist them. Any nation which can do to the weak and disadvantaged what the Nigerian nation has done to the Ogoni, loses a claim to independence and to freedom from outside influence.

I am not one of those who shy away from protesting injustice and oppression, arguing that they are expected in a military regime. The military do not act alone. They are supported by a gaggle of politicians, lawyers, academics and businessmen, all of them hiding under the claim that they are only doing their duty, men and women too afraid to wash their pants of urine. ...

As we subscribe to the sub-normal and accept double standards, as we lie and cheat openly, as we protect injustice and oppression, we empty our classrooms, denigrate our hospitals, fill our stomachs with hunger and elect to make ourselves the slaves of those who ascribe to higher standards, pursue the truth, and honor justice, freedom, and hard work.

I predict that the scene here will be played and replayed by generations yet unborn. Some have already cast themselves in the role of villains, some are tragic victims, some still have a chance to redeem themselves. The choice is for each individual. I predict that the denouement of the riddle of the Niger delta will soon come. The agenda is being set at this trial. Whether the peaceful ways I have favored will prevail depends on what the oppressor decides, what signals it sends out to the waiting public.

In my innocence of the false charges I face here, in my utter conviction, I call upon the Ogoni people, the peoples of the Niger delta, and the oppressed ethnic minorities of Nigeria to stand up now and fight fearlessly and peacefully for their rights.

History is on their side. God is on their side. For the Holy Quran says in Sura 42, verse 41: "All those that fight when oppressed incur no guilt, but Allah shall punish the oppressor." Come the day.

--Kenule Beeson Saro-Wiwa

It appears that the "denouement of the riddle of the Niger delta ... " is soon upon us