It’s the Kochs vs. the Mercers in the Right’s Big Tech Brawl

Tucker Carlson, the Fox News commentator and Donald Trump whisperer, shocked the conservative ecosystem when he devoted a segment of his show last month to vilifying right-wing nonprofits.

Carlson said many groups have betrayed the conservative cause and “colluded with Big Tech to shield left-wing monopolies” from oversight. The U.S.’s large internet companies work in secret to impose a left-wing agenda on the country, he said, and no one in Washington is doing anything about it.

He cited a report that named the Heritage Foundation, which gave Carlson his start in Washington in the 1990s, and Americans for Prosperity, part of the political network affiliated with libertarian ...