republic. it isn t the job of the federal communications commission, the fcc, to sensor content either, the commissioner told us. instead, it s to let listeners know where that content is coming from. the public must have transparency in order to be informed and make their own decisions about separating truth from disinformation. the fcc has given its authority here, given listeners transparency so that they can decide to change the dial. reporter: stark finds some of the content deplorable. on public airwaves, even if a station is backed by a countries allegedly committing war crimes, they can in the u.s. continue to broadcast. what a strange situation. sputnik s ability to stay on the air comes down to the fact it s on the public airwaves but it could be blocked by private media companies? reporter: think about donald trump. he still has the freedom of speech. but he has been kicked off