Eighteen of the nation's 25 educational TV stations became a network this week to promote their most ambitious experiment: five weekly seriesin literature, geography, mathematics, government and musiccreated and broadcast live from Manhattan by NBC. The cost of $600,000 will be shared equally by NBC and Michigan's Ann Arbor Educational TV and Radio Center. Some of the projected shows, to be seen on weekdays from 6:30 to 7 p.m. for 13 weeks, sound tempting enough to lure plenty of viewers from commercial channels. Items:
¶ The American Scene will present contemporary U.S. authors, e.g., Walter Edmonds, John Dos Passos, and readings...