This is not accurate. See the discussion here: https://www.politifact.com/truth-o-meter/statements/2019/oct/15/elizabeth-warren/phony-facebook-ad-warren-said-m

This is not accurate. See the discussion here: https://www.politifact.com/truth-o-meter/statements/2019/oct/15/elizabeth-warren/phony-facebook-ad-warren-said-most-tv-networks-wil/ https://www.politifact.com/truth-o-meter/statements/2019/oct... > But overall, it’s inaccurate to say that "most networks" will refuse to air an ad by Trump with a lie in it. We could find no evidence that most networks reject false candidate ads.