Before it became a television network, CBS got its start in which medium?

Which Lakota leader, who died in 1877, is said to have prophesied, "I will return to you in stone"? Before he died on October 25, 1400, which poet was living in a house in the garden of Westminster Abbey? Before "Titanic", which actress played Sue Bridehead in "Jude", the 1996 film version of Thomas Hardy's "Jude the Obscu… For more than a thousand years before the capital moved to Tokyo in 1869, which city was Japan's imperial capital? In which 1976 horror film did John Travolta play one of the tormentors of the shy title girl? Which Vietnam veteran, awarded a Purple Heart and a Bronze Star, won the Best Director Oscar for 1986's "Platoon"? Who founded the Republic of Turkey in 1923 and began a sweeping program to modernize the nation? In which 1865 book does a young girl begin a series of strange adventures by following a rabbit down a hole?