I found it to be confusing on what was covered, its editing and its abrupt conclusion.
It is not however a typical Stone production filled with strong ideological or historical points of view that are in dispute.
All of the major scenes will be seen as familiar either from watching the TV or by the books that have come out with insider accounts, for example Bush telling Cheney not to speak in cabinet meetings.
Here is what Ebert says about it;
by Roger Ebert
Oliver Stone's "W.," a biography of President Bush, is fascinating. No other word for it. I became absorbed in its story of a poor little rich kid's alcoholic youth and torturous adulthood. This is the tragedy of a victim of the Peter Principle. Wounded by his father's disapproval and preference for his brother Jeb, the movie argues, George W. Bush rose and rose until he was finally powerful enough to stain his family's legacy.
Unlike Stone's "JFK" and "Nixon," this film contains no revisionist history. Everything in it, including the scenes behind closed doors, is now pretty much familiar from tell-all books by former Bush aides, and reporting by such reporters as Bob Woodward. Though Stone and his writer, Stanley Weiser, could obviously not know exactly who said what and when, there's not a line of dialogue that sounds like malicious fiction. It's all pretty much as published accounts have prepared us for.
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One might feel sorry for George W. at the end of this film, were it not for his legacy of a fraudulent war and a collapsed economy. The film portrays him as incompetent to be president, and shaped by the puppet masters Cheney and Rove to their own ends. If there is a saving grace, it may be that Bush will never fully realize how badly he did. How can he blame himself? He was only following God's will.
Here are somethings that I think everyone should be able to agree upon about the movie:
1) It really is the story of W's troubled relationship with his father and his need to achieve acceptance.
2) It doesn't take cheap shots of W. For example it doesn't have W snorting cocaine. It does have a lot of drinking. It also has some scenes that show his religious 're-awakening'. Surprisingly these are not patronizing, superficial or cartoonish.
3) While the overall presentation of Bush, Cheney, Rove and Rice are unflattering they are done in a 3 dimensional and not in a cartoonish way. Cheney and Rove in particular are shown understated but still putting their real words in their mouth and they come out as unlikeable people but not cartoonish monsters.
4) Brolin's acting is somewhat uneven but there are times where he is absolutely on in voice and mannerisms
William Arnold's opinion here
And Brolin's sure-to-be Oscar-nominated performance carries the movie nicely. Though Stone and scenarist Stanley Weiser fail to give the man his due as a political animal, Brolin looks and sounds uncannily like him in some scenes, and he gives the character a tragic sympathy that lingers long after the fade-out.
5) Dryfuss's Cheney is surprisingly sympathetic and well done showing Cheney not as a monster but just a guy who is unlikeable and wrong on just about everything.
This link
http://movies.yahoo.com/movie/1810026489/critictakes you to yahoo's critical reviews - 11 out of 14 are giving it a B- or higher.
I think that the problems on the movie have to do with editing, scope, use of flashbacks or rather skipping story line.
Surprisingly Stone does not take a heavy ideological hand in this movie.