Final answer:
David did not find out that Moira voted for Christmas town to get the approval for its lease.
Step-by-step explanation:
No, David did not find out that Moira voted for Christmas town to get the approval for its lease. In the story, 'David Finds Out', David suspects that Moira was the one who voted for Christmas town, but he doesn't have any concrete evidence to prove it. The story ends with David accepting that he may never know who voted for Christmas town.