A welcome return to weekly TV by Bill Moyers (AP)

In this 2004 image released by Public Affairs Television, Bill Moyers is shown. At age 77, Moyers is re-engaging with his audience when 'Moyers & Company' premieres on public television stations across the country this weekend. (AP Photo/Public Affairs Television, Peter Krogh)AP – Wearing what is meant to be a sheepish smile, Bill Moyers greets a reporter by acknowledging that, yes, twice before just in the past decade, he has launched a much-acclaimed public affairs TV series, then called it quits, professing to be done with television — only to launch yet another such show a couple of years later.