In my view, while Tony is right saying that the US is trying to control the social movements in North Africa (even infiltrating its agents), he is completely wrong in deducting that all the movements /protests are induced and/or controlled by Uncle Sam.
It remains uncertain if the US will be able to gain any control on the future new regimes, but at the moment I would not bet on its success.
Give a look to his latest article here, and make up your opinion.
For a similar example of excess of conspiracism of normally brilliant authors, you can give a look to the latest posts of Webster Tarpley and Aangirfan.
Democracy promotion: America’s new regime change formula
Rothschilds Stage Revolutions in Tunisia and Egypt To Kill Islamic Banks In Emerging North African Markets
Medvedev Warns “Fanatics” Will Take Over Middle East