Television, desperate for enough material to fill its broadcast hours, has finally discovered an almost inexhaustible source. The verbal reservoir: 69-year-old Edgar A. Guest, "poet of the plain people," who has been dashing off at least one verse a day for almost 50 years, mainly for his daily stint in the Detroit Free Press. In 1930, when he stopped counting them, Guest had already mass-produced more than 10,000 cheerful rhymes.
A Homey Type. With A Guest in Your Home (weekdays, 3:15 p.m.), NBC last week set about tapping this flood of tripping words, got even more than it had bargained for....