This post (from VCrisis) might be of interest to you two. I am always interested in your posts on the oil situation, btw. In any case, if you click on the link in this post and read the whole article, it is mentioned that Chavez is thinking of selling Citgo because it has contracts (presumably with us) that are unfavorable to VZ.
http://www.freerepublic.com/focus/f-news/1337145/posts