Factual error: Lobbyists (or any other private citizen) are not subject to Senate Ethics rules. Only actual senators are. Sloane committed no offence in organising an expensive vacation for a senator. The senator did by accepting it, though.
Continuity mistake: Maureen spent the first night in the spooky house, without conclusive results. They are meeting the prospect buyers in a bar. When Lara walks up to them and begins the conversation, the arm position of the man changes wildly between shots several times at every cut. (00:08:40)