Book excerpt: "The Road Taken" by Senator Patrick Leahy

In "The Road Taken" (published August 23 by Simon & Schuster, a division of Paramount Global, which includes CBS), Vermont Senator Patrick Leahy – who, as a young prosecutor, was elected in the aftermath of Watergate and is retiring after eight terms – writes about his path through the upper house of Congress, which he says once acted as "the nation's conscience" – and could one day again.

Read the excerpt below, and don't miss Robert Costa's interview with Senator Leahy on "CBS Sunday Morning" August 21!