Just two links:
Richard Lindzen (MIT) explains the value of the climate sensitivity. The bare value 1.2 °C is modified by a strong negative feedback and the resulting sensitivity about 0.3 °C is roughly ten times smaller than what the IPCC wants you to believe:
Lindzen at Watts' blog (click)See also Roy Spencer's (UAH) text on a similar topic:
Spencer at Watts' blog (click)Off-topic: Obama in Prague
Barack H. Obama will give his first European speech as the U.S. president on Sunday, on the Hradčanské Square in Prague. He will focus on nuclear proliferation.
Click the picture to zoom in or buy golden coins Obama in Prague.