CLEAN : Sanders campaigns in New York ahead of Clinton debate

The transcript discusses the high fees for speeches on Wall Street, questioning their value. It emphasizes a rejection of the billionaire class and corporate America, advocating for unity among millennials, baby boomers, and World War II survivors. The speaker expresses newfound political interest due to Bernie Sanders, highlighting his appeal as a candidate for the people.

What does the speaker mean by 'we are the 99%'?

How has the speaker's interest in politics changed, and what influenced this change?