Redux

The neo-conservative foreign policy ideology started as a post WW II "anti-communist" policy....mostly Democrats at the time. Viet Nam could rightfully be considered the first neo-con foreign policy failure.

In terms of South America, the School of the Americas, where right wing, anti-communist regimes received military training n the US, and used that training to suppress populist movements was another failure.

Reagan's attempt to replace a communist regime in Nicaragua through the illegal Iran/Contra fiasco was when the movement became more of a true Republican ideology. And it failed there as well....1o Reagan officials served jail time for the Iran /Contra affair and the person they removed from office, Daniel Ortega, is now back in power and more popular than ever.

Bush continued the same policy on a lesser scale with his interference in elections in Venezuela resulting in making Hugo Chavez even more popular in his own country and the region.
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And yet, now the top ruling Shiia parties in Iraq all have strong historic ties to Iran...so our invasion and occupation has made Iran stronger in the region.