Regarding reading expressions in particular, good start is "Emotions Revealed" [1], which was pretty comprehensive, but not as comprehensive (or as expensive) as his METT system: http://face.paulekman.com/products.aspx The half-smirk when talking about the other companies is contempt. The raised chin is shame. A lot of fear and sadness in the beginning, with exceptions of talking about the technical details of the attack and Google's desire to stay in China towards the end - lots of confidence there. If you watching him carefully with the sound off, I think you can pick up on the emotions intuitively.
In a more cynical light, this is good to keep in mind as well: http://en.wikipedia.org/wiki/Facecrime
1. http://www.amazon.com/Emotions-Revealed-Recognizing-Communic...
https://www.amazon.com/Emotions-Revealed-Recognizing-Communi...
https://www.amazon.com/Unmasking-Social-Engineer-Element-Sec...