premise: Ahead of the vote Bush has given four key speeches in a bid to convince the US public that he has a strategy for Iraq and that conditions in the war torn country are improving.
  He has insisted that he was right to order the March 2003 invasion and that a hurried withdrawal would be "a recipe for disaster".
  But in a speech on Wednesday, Bush also took responsibility for ordering the invasion based on intelligence that "turned out to be wrong" about Saddam's weapons capability.
  "As president, I'm responsible for the decision to go into Iraq -- and I'm also responsible for fixing what went wrong by reforming our intelligence capabilities. And we're doing just that," he said.
   What lead to the ordering of the invasion by Bush?
hypothesis: convince the US public that he has a strategy for Iraq