Laura Poitras says it took 20 years to convince Seymour Hersh to sit for new documentary "Cover-Up"

For more than half a century, Pulitzer Prize-winning investigative journalist Seymour Hersh has found stories others missed. His career is now the subject of the upcoming Netflix documentary "Cover-Up." Director Laura Poitras joins "The Takeout" to discuss what went into making the film.