Here's a late report from Britain's Channel 4 news on the Bhutto assassination, with newly acquired video that appears to further contradict Pakistani government reports of what happened ...

Sitting here in the US it is difficult, I think, to fully grasp the significance of one theory being true over the other, though certainly only one can actually be the case. It is as though the dispute is a proxy for the larger battle between the different parties. This remains the best explanation I've seen for why the government is to be sticking to a story that appears at least contradicted by most of the available evidence.