Panicking Trump proves he sees a real threat

The pattern is clear: Corporate billionaires who either own or are purchasing U.S. media are censoring content to support Donald Trump. Trump’s blatantly illegal carrot is the conditioning of federal contracts, mergers, licensing, tax and regulatory relief on partisan fealty. His stick? Threatening the FCC licenses of networks that criticize him.

In January, singling out left-leaning shows like Saturday Night Live, The View, Jimmy Kimmel and Stephen Colbert, Trump’s FCC Chairman Brendan...