“The Public Broadcasting Service has weathered recent criticism from free-speech advocates saying that the network is being overly cautious in a new policy to censor foul language in nonfiction programs by digitally obscuring the mouths of speakers. But the outcry has been dwarfed by the thousands of complaints, mostly from parents, over the PBS Kids Sprout network’s firing of Melanie Martinez, the host of ‘The Good Night Show,’ after learning that she appeared years ago in two videos spoofing public service announcements advocating teenage sexual abstinence.”