'American Scoundrel' traces Roy Cohn's playbook from McCarthyism to Trump

In Kai Bird's biography of Cohn, he looks at how the lawyer taught Trump how to deny, delay, attack, sue and countersue, never admit defeat, side-step paying bills and avoid a paper trail.

In Kai Bird's biography of Cohn, he looks at how the lawyer taught Trump how to deny, delay, attack, sue and countersue, never admit defeat, side-step paying bills and avoid a paper trail.