GOOD EVENING: The show begins in 1968 on the Columbia campus for the violent and self-defeating protests by students against the Vietnam War and against university plans for a gym in Morningside Park. Then the police were sent in, April, 1968. Decades lat

GOOD EVENING: The show begins in 1968 on the Columbia campus for the violent and self-defeating protests by students against the Vietnam War and against university plans for a gym in Morningside Park. Then the police were sent in, April, 1968. Decades later, same campus, same police, but no reports of violence. The Middle East reports violence -- and the Israeli airstrike. To Pittsburgh, to Tell City, Indiana, to Ingenuity, the lone sentry on Mars till mankind arrives. To New Zealand for immigration limits. To Isfahan "nuclear site." To Harvard under Derek Bok, 1971-1991. To high-speed rail from LA to Las Vegas, to Milan, to Genoa, to Rome and Tunisia. To the Giants vs. the Dodgers, 1965. To Musk's dreams of one million colonists on Mars in this century.

1920 Popular Science