How a social worker wound up negotiating with Iran and North Korea

The award for understatement of the year may go to Wendy Sherman, for the title of her memoir.

Not for the Faint of Heart tells the story of how she became a high-stakes negotiator for the U.S. with North Korea and Iran ... after starting her career as a social worker.

Sherman spoke with All Things Considered’s Michel Martin about her book as well as her take on current world affairs.

Listen below or read an edited transcript on NPR’s website.