It's easy to feel overwhelmed by the world's problems. It's harder to pinpoint the systems responsible for creating them. In this series, Jon Stewart brings together people impacted by different parts of a problem to discuss how we come up with change.

In recognition of the 4th of July, several celebrities and politicians of differing ideologies join to read the historic documents which laid the foundation for the United States of America.

Alzheimer's: Every Minute Counts is an urgent wake-up call about the national threat posed by Alzheimer's disease. Many know the unique tragedy of this disease, but few know that Alzheimer's is one of the most critical public health crises facing America. Because of the growing number of aging baby boomers, and the fact that the onset of Alzheimer's is primarily age-related, the number of Alzheimer's case is predicted to skyrocket in the United States. This will not only be a profound human tragedy, but an overwhelming economic one as well. Due to the length of time people live with the illness and need care, it's the most expensive medical condition in the U.S. Future costs for Alzheimer's threaten to bankrupt Medicare, Medicaid, and the life savings of millions of Americans.

Stephen Colbert brings his signature satire and comedy to The Late Show with Stephen Colbert, the #1 show in late night, where he talks with an eclectic mix of guests about what is new and relevant in the worlds of politics, entertainment, business, music, technology, and more. Featuring bandleader Jon Batiste with his band Stay Human, the Emmy Award-nominated show is broadcast from the historic Ed Sullivan Theater. Stephen Colbert, Chris Licht, Tom Purcell, and Jon Stewart are executive producers. Barry Julien and Denise Rehrig serve as co-executive producers.must watch

A half-hour satirical look at the week in news, politics and current events.

Seth Meyers, who is "Saturday Night Live’s" longest serving anchor on the show’s wildly popular "Weekend Update," takes over as host of NBC’s "Late Night" — home to A-list celebrity guests, memorable comedy and the best in musical talent. As the Emmy Award-winning head writer for "SNL," Meyers has established a reputation for sharp wit and perfectly timed comedy, and has gained fame for his spot-on jokes and satire. Meyers takes his departure from "SNL" to his new post at "Late Night," as Jimmy Fallon moves to "The Tonight Show".

During the Republican run of the 2008 Presidential election, candidate John McCain picks a relative unknown, Alaskan governor Sarah Palin, to be his running mate. As the campaign kicks into high gear, her lack of experience, in both political and media savvy, becomes a drain upon McCain and his strategists.

An investigative and powerfully emotional documentary about the epidemic of rape of soldiers within the US military, the institutions that perpetuate and cover up its existence, and its profound personal and social consequences.

Documentary that explores the lives of 14 female U.S. senators and the uniquely feminine challenges they face, including the sometimes difficult balance between their roles as public servants and wives and mothers.

The Tonight Show with Jay Leno is an American late-night talk show hosted by Jay Leno that initially aired from May 25, 1992 to May 29, 2009, and resumed production on March 1, 2010. The fourth incarnation of the Tonight Show franchise made its debut on May 25, 1992, three days following Johnny Carson's retirement as host of the program. The program originates from NBC Studios in Burbank, California, and is broadcast Monday through Friday at 11:35 PM in the Eastern and Pacific time zones. Unlike Carson or his predecessor Jack Paar, Leno only once utilized a guest host, preferring to host the series by himself. On April 26, 1999, the show began broadcasting in 1080i HDTV, becoming the first American nightly talk show to be shot in high definition. The show is shot in 16:9 aspect ratio. The series, which followed the same basic format as that of his predecessors, ran until May 29, 2009, after which Leno was succeeded by Conan O'Brien. NBC signed Leno to a new deal for a nightly talk show in the 10:00 pm ET timeslot. The primetime series, titled The Jay Leno Show, debuted on September 14, 2009, following a similar format to the Leno incarnation of Tonight.

This all women news-analysis program provides an important, timely forum for diverse women to discuss national and international issues and policies.

Since it began in 1983, Frontline has been airing public-affairs documentaries that explore a wide scope of the complex human experience. Frontline's goal is to extend the impact of the documentary beyond its initial broadcast by serving as a catalyst for change.

America's popular television News magazine in which an ever changing team of CBS News correspondents contribute segments ranging from hard news coverage to politics to lifestyle and pop culture.