20/20

Is America Number 1? And if so, number 1 in what? Government? Economy? Culture? What makes a country prosperous? Democracy? The U.S. and India both have democracy, but only one is prosperous. Natural resources? Hong Kong and the U.S. are both prosperous, but only one is rich in natural resources. John Stossel argues that what makes a country prosperous is rule of law and economic freedom.

Should a business be able to pay pregnant women less? Why should taxpayers foot the bill for search and rescue operations for people who take foolish risks? If Miss California can enhance her body with implants, why can't an athlete enhance his body with steroids? Isn't it about time for America to give less money to the elderly? John Stossel takes a look at taboo subjects we can't talk about in America.

Can going out in the cold give you a cold? Is life getting worse? Can money buy happiness? You may be among the many who would answer yes to these questions. You'd be wrong. There are a lot of popularly held beliefs out there that simply aren't true. Yet the media tend to report on many of them as though they were hard facts.

About the case of Ted Kaczynski

The life and legacy of "Jeopardy!" host Alex Trebek, including Robin Roberts' interview with Trebek when he first revealed his cancer diagnosis, a behind-the-scenes look at "Jeopardy" and footage of Trebek's early start on television.

A step inside the new "West Side Story", from director Steven Spielberg, featuring interviews with the cast and crew, and discussions with Puerto Ricans on the role this story has had on their lives.

The allegations of violence and sexual assault could send Diddy to prison for the rest of his life with wide-reaching repercussions. New reporting and new details are unveiled in the special as the allegations of his alleged criminal enterprise, involving "freak offs," drugs and sex trafficking, continue to come to light.

The special focused on the personal stories of Vietnamese orphans who were airlifted to the US as part of Operation Babylift and their reunions with those involved in the mission 50 years later

KAREN READ: THE VERDICT' FEATURES ALL-NEW DETAILS AND EXCLUSIVE INTERVIEWS REGARDING THE CASE AGAINST THE WOMAN AT THE CENTER OF ONE OF THE MOST-TALKED-ABOUT TRIALS, MOMENTS AFTER A VERDICT IS REACHED IN HER SECOND TRIAL ABC News Chief National Correspondent Matt Gutman Reports on the Fierce Debate Surrounding the Tragic Death of Boston Police Officer John O'Keefe When He Is Found Outside During an Epic Boston Blizzard

A spotlight on Robert Redford's life and career reveals details about the actor and Oscar-winning filmmaker's legacy and most beloved films.

Commemorate seven decades of the magic, joy and innovation of one of the most beloved theme parks in the world when the special event "The Happiest Story on Earth: 70 Years of Disneyland – Special Edition of 20/20," "The Happiest Story on Earth: 70 Years of Disneyland" pulls back the curtain to reveal the magic behind Walt Disney's dream, with enchanting stories sure to surprise and delight even the most devoted fans.

Obama shares the important role and at times complex role fashion has played in her life, from designing her own prom dress at a young age to navigating living in the spotlight as the first Black first lady of the United States and helping define who she is today. A passionate supporter of future generations and education, Obama surprises past and present students who are working to make their own marks on fashion. The special also features interviews with Obama's longtime stylist Meredith Koop, her makeup artist Carl Ray, and hairstylists Yene Damtew and Njeri Radway, along with top designers Diane von Furstenberg, Jason Wu, Tracy Reese and Narciso Rodriquez and fashion commentators.

A behind-the-scenes look at the beloved sitcom's enduring impact on TV and culture, including interviews with superfans Sheryl Lee Ralph, Kelly Ripa, Laverne Cox and former guest star Mario Lopez

David Muir anchors a first-of-its-kind artistic illumination of the Statue of Liberty from deep inside the iconic monument; Brandi Carlile performs "America the Beautiful," accompanied by SistaStrings.