Mr. Monk and the Three Pies - S2-E11
Continuity mistake: When Van Rankin takes the borrowed flour from his kitchen counter and hands it to Sharona, it's in a standard paper flour sack, and the counter is clean. Later, there's flour dust on the counter and the impression of a large, round flour tin - like the one in Monk's kitchen - instead of an imprint of the paper sack. (00:37:20)
Mr. Monk and the Three Pies - S2-E11
Continuity mistake: When Van Rankin shoots his wife, the black gym bag, which has been slung over his shoulder since he entered the kitchen, disappears between shots. (00:31:05)
Answer: The two men are trying to work out a secret deal between them without involving the union, which means the workers' interests aren't being represented and defeats the whole purpose of a union. The mayor would lose labor's support and Cusack's union troubles would just be starting.
Captain Defenestrator