Is Venezuela's Chavez facing internal risks?

I've blogged before about the rising danger south of the US border coming from Hugo Chavez in Venezuela. Here, though, is an A. M. Mora y Leon article from The American Thinker suggesting that Chavez may be on very shaky ground with his own military. A volatile situation, certainly, and I hope the US is watching out -- and that the CIA is doing a better job than its past track record would lead us to expect. Previous posts: Worries in Latin America More on the scary Hugo Chavez