by a western educated catholic named thieu. thieu was our boy. >> but massive power corrupts, and thieu becomes a dictator. >> a catholic presence imposing itself on a buddhist majority, and now they're going after the buddhists. >> soldiers and police broke up the demonstrations and killed nine persons. >> a debate broke out in the american government over whether we should continue to support thieu or not. >> by the summer of 1963, there had been discussions in the cia the in the pentagon about toppling the regime.