Josef Joffe, author of The Myth of America's Decline, says the U.S. remains a world leader in education, economic performance and innovation. Samuel LaHoz/Intelligence Squared U.S. hide caption

itoggle caption Samuel LaHoz/Intelligence Squared U.S.

UNC Tar Heels head basketball coach Dean Smith gives instructions during a 1997 playoff game against the Colorado Buffaloes. Smith died Saturday. He was 83. Doug Pensinger/Getty Images hide caption

itoggle caption Doug Pensinger/Getty Images

NBC Nightly News anchor Brian Williams admits that his story of being on a helicopter hit by enemy fire in Iraq in 2003 was untrue and has apologized to troops and viewers. Monica Schipper/Getty Images hide caption

itoggle caption Monica Schipper/Getty Images

Wendell Scott's son Frank Scott (left) and grandson Warrick Scott at StoryCorps in Danville, Va. Wendell Scott, who died in 1990, was one of the first African-American NASCAR drivers to win a race at the elite level. StoryCorps hide caption

itoggle caption StoryCorps

Rafael Nadal (right) shakes hands with Tim Smyczek after winning a match at the Australian Open on Jan. 21. Rob Griffith/AP hide caption

itoggle caption Rob Griffith/AP

Franklin Foer recently wrote a cover story for The New Republic titled, "Amazon Must Be Stopped." He argued against Amazon at the latest Intelligence Squared U.S. debate — and won. Samuel LaHoz/Intelligence Squared U.S. hide caption

itoggle caption Samuel LaHoz/Intelligence Squared U.S.