High

Part 1: The People Paradox: Startling trends in population are discussed as the program looks at the aging populations of Japan, Europe, and Russia. But in parts of Africa and India, more than half of the still growing population is under 25. The conclusion: the world population is careening in two dramatically different directions.

Little on this earth can withstand the violent fury of an F5 tornado. A churning vortex with winds over 300 miles an hour, these tornadoes create immense swaths of death and destruction in a matter of seconds. But today, experts are exploring the supertwister's complex inner working in bold new ways in the hopes of one day being able to accurately predict the occurrences of tornadoes.

Ain't scared of your jails (1960-1961): Covers lunch counter sit-ins and their impact on the Kennedy and Nixon presidential race of 1960, the formation of the Student Non-Violent Coordinating Committee, and the freedom rides of 1961. No easy walk (1961-1963): Visits the cities where the tactics of nonviolent protest met both success and failure.

Mississippi: is this America? (1962-1964) : Focuses on the right to vote. Tells how the black citizens who had been denied the right to vote stepped forward and demanded a place in the political process. Medgar Evers, Michael Schwerner, Andrew Goodman, James Chaney, and others, died trying to help them.

The time has come (1964-1966): Malcolm X...Stokely Carmichael..."Black Power". After a decade-long cry for justice, a new sound is on the horizon: the insistent call for power. Two societies (1965-1968): Chicago...Detroit...the Kerner Commission.

Power! (1966-1968): Across America, the call for "Black Power" mobilizes communities for change in strikingly different ways as told through the perspectives of Black Panther Party members, teachers, and politicians. Promised land (1967-1968): Hear leaders and activists reflect on Martin Luther Kings, Jr's crusade to overcome the fragmenting civil rights movement.

Ain't gonna shuffle no more (1964-1972): A call to pride and a renewed push for unity galvanizes Black Americans.

The keys to the kingdom (1974-1980): Famous and lesser-known participants recount the remedies used to solve the problems of discrimination in schools and the workplace. For blacks and whites in Boston, court-ordered busing proves an unpopular means of integrating schools. Atlanta's first black mayor, Maynard Jackson pursues affirmative action to help combat the city's poverty rate.

Jimmy Carter aspired to make government "competent and compassionate," responsive to the American people and their expectations. His achievements were notable, but in an era of rising energy costs, mounting inflation, and continuing tensions, it was impossible for his administration to meet these high expectations.

On November 22, 1963 - when he was hardly past his first 1,000 days in office - JFK was killed by an assassin as his motorcade wound through Dallas, Texas. JFK was the youngest man elected to the presidency.

During the administration of Clinton, the U.S. enjoyed more peace and economic wellbeing than at any time in its history. He was the first Democratic president since FDR to win a second term in office.