What has made people like myself increasingly sceptical about anthropogenic climate change is the inherent unreliability of the data used to measure global temperatures and the way in which those backing AGW apply "corrections".
Although Warren freely admits to having a somewhat weak narrative style, his film is as clear and concise as his writing. He concentrates particularly on the weaknesses in our data sets and the fact that we really do not know what a "normal" climate looks like.
In short, I highly recommend that you watch it.
As I keep saying, we are not going to fry; but our lords and masters are going to ensure that we suffer whatever the truth of the situation...
You can download a higher resolution version over at Climate Skeptic.