Oh, the ways it could have been used in the presidential campaign!

Daniel Finkelstein has a nifty piece on the advertising concept of "product displacement"- where you have to remove things to make the sponsor happy:

An even more astonishing example occurred because the American Gas Association sponsored a series called Playhouse 90.

One of the shows in the series was a dramatisation of the Nuremberg trials. The sponsor insisted that Judgment at Nuremberg should not feature any references to gas. Throughout the programme witnesses, defendants and prosecutors discuss how Jews died in "chambers".