JUDY WOODRUFF:

But first: Political satire requires one sets of skills. Practicing politics requires another, at least according to one of the few people who have professional experience doing both.

A new memoir presents an up-front account about what it's really like to go from entertainment to government.

"Al Franken, Giant of the Senate," a book, is officially out this week.

Hari Sreenivasan sat down with Democratic senator from Minnesota earlier today in our New York studio.