For more about how the wealthy live in a bubble:

http://www.pbs.org/newshour/rundown/white-educated-and-wealthy-congratulations-you-live-in-a-bubble/

This link is for the bubble quiz.  (please take the quiz, Alice).

http://www.pbs.org/newshour/making-sense/do-you-live-in-a-bubble-a-quiz-2/