Why do people hate Tony Blair?

I don't hate him, he just needs to move on like anyone else who has been in the same position of power for many years. For example, you have the same leader, you gain the same ideas and, eventually, the same issues somewhat keep arising and being answered. But any new/different issues which are shown and it answering/solving them seems less effective than it once did. Also, it's not him as a person, it's seems that he has less influence now than he used to have. From the medias' viewpoint, however, it is the influence of joining with another country and wanting to join in with a war that seems to be the negativity of him. At least he managed to pick the UK up and gave it more drive!!!!