From the piece:
What often gets left out in discussions of the American Right is that fusionism isn’t merely an alliance, it is an alloy. Fusionism runs through the conservative heart. William F. Buckley, the founder of the conservative movement, often called himself a “libertarian journalist.” Asked about that in a 1993 interview, he told C-SPAN’s Brian Lamb that the question “Does this augment or diminish human liberty?” informed most of what he wrote.
Most pure libertarians and the tiny number of truly statist social conservatives live along the outer edge of the Venn diagram that is the American Right. Most self-identified conservatives reside in the vast overlapping terrain between the two sides.