In Part 3 of our series on pivotal moments in the lives of the 2020 Democratic presidential contenders, we spoke with Elizabeth Warren about how she came to be known as the blow-it-up candidate. With help from Andrew Ross Sorkin, a financial columnist at The Times and founder of DealBook, Harry Reid, a former Senate majority leader, and David Axelrod, a former Obama adviser, we explore Ms. Warren’s rise to prominence as an advocate for overhauling the financial system — and how that rise helps us understand her run for president now. For more information on today’s episode, visit nytimes.com/thedaily.  Background reading:The New York Times Magazine spoke to Ms. Warren in June, discussing the double standards that can confront professional women — and female presidential candidates.Ms. Warren has lots of plans. Together, they would remake the economy.We asked 21 candidates the same 18 questions. Hear Ms. Warren’s answers.