Networks have many faults, but provide vital services Janet Kern -- Two networks on the spot Jack Gould -- On the air Jay Nelson Tuck -- Threat to network TV -- Dial-twist best cure for most of TV's ills Anthony La Camera -- Networks get the job done -- Sen. Bricker is away off base with TV 'monopoly' complaint -- Bricker's unique idea -- Too many networks -- Monopoly question John Crosby