The Fallout Wiki guide claims that the quest That Lucky Old Sun
will generate rewards from Rivas if you are "trusted" with him. How does one become that? I have tried multiple ways of directing power and none of them spawn any new dialogue options with him (or "The idiot" for that matter).
Fallout – Become trusted by Ignacio Rivas
fallout-new-vegas
Best Answer
Getting "trusted" status with Rivas requires some specific dialog choices when you first speak to him:
(emphasis mine)