Inspired by a pillar of antiquity, the Library of Alexandria, Brewster Kahle has a grand vision for the Internet Archive, the giant aggregator and digitizer of data, which he founded and leads.

“We want to collect all the books, music and video that has ever been produced by humans,” Mr. Kahle said.

 As of Tuesday, the archive’s online collection will include every morsel of news produced in the last three years by 20 different channels, encompassing more than 1,000 news series that have generated more than 350,000 separate programs devoted to news....