Sander doesn't wait long before introducing these three characters into his article because they are a crucial component of his argument. His tone is calm, very direct and informative. The combination of tone, word choice, and factual information is critical to establishing trust with the reader. The appeal of pathos is probably the easiest to spot. The stories of these particular individuals are used to elicit an emotional response in the reader. The reader will most likely sympathize with these characters and what they have been through. Finally, the hardships faced by these characters provide the logic the reader uses to understand why baby boomers would return to school so late.