What is the difference between the two videos? What kind of indexing does the second video use to discuss the national debt (at 1.44 mins and after)?

The trends in the US national debt and the controversy surrounding it illustrate this topic. First watch this video (1.59 mins long)

(7mins). Finally, use the website http://www.saving.org/inflation/ (Links to an external site.) to convert $19 Trillion debt in 2017 to 1980 dollars. What is the difference between the two videos? What kind of indexing does the second video use to discuss the national debt (at 1.44 mins and after)? Did the second video modify your view of the debt crisis presented in the first video? Why or why not? Please share and discuss your response to the effect of indexing when discussing the national debt.