Richard Haass, president of the Council on Foreign Relations, says the U.S. can remain a global leader only if it addresses issues at home.

The iconic comedian speaks with HBR's Adi Ignatius about work, life, and, yes, comedy.

Bob Sutton, Stanford University professor, talks about his book, "Scaling Up Excellence: Getting to More Without Settling for Less" (coauthored by Huggy Rao).

Jeffrey Joerres, CEO of ManpowerGroup, on finding the talent you need in an unpredictable world.

The founder of the Khan Academy talks with HBR senior editor Alison Beard.

The former Secretary of Defense talks with HBR editor-in-chief Adi Ignatius about his new book, "Duty: Memoirs of a Secretary at War."

Gianpiero Petriglieri, professor at INSEAD, on the new global elite.

Amy Bernstein, editor of HBR, offers executive summaries of the major features.

Freek Vermeulen of London Business School explains how best practices become bad practices.

Paul Oyer, Stanford economist and the author of "Everything I Ever Needed to Know About Economics I Learned from Online Dating," explains the marketplace of online love.