What is the connection between the figure of Jack LaLanne, an early television star, and a cable news personality like Bill Cunningham?

How do the background sketches of secondary figures not involved in the crash, such as Layla Mueller, or minor characters such as Darla Melody, develop the novel’s central themes? Use specific textual examples in your answer.

How do each of the paintings described in the text reinforce or challenge the novel’s themes?