Author Chris Whipple pulls back the curtain on the CIA and its often secretive directors in his new book, "The Spymasters: How the CIA Directors Shape History and the Future," published by Scribner an imprint of Simon & Schuster a division of ViacomCBS. Having spoken to almost every living director of the Central Intelligence Agency, Whipple tells CBS News justice and homeland security correspondent Jeff Pegeus why he believes besides being president there is "no job more consequential than being CIA director." Whipple shares insight into the current administration’s relationship with the intelligence community and explains why he's critical of current CIA director Gina Haspel's tenure.