For most of its five-year history, public television has been caught up in controversy and confusion. On one side have been thosein control until now who have wanted something like the BBC, a vigorous national alternative to the commercial networks. On the other have been thosemostly in the Nixon Administrationwho have wanted to spread federal money to strengthen local public stations as a "complement" rather than an alternative to commercial TV. With last week's installation of Nixon stalwart Henry Loomis as president of the Corporation for Public Broadcasting, the localists appear to have...

