Inside Mike Johnson’s Ties to a Far-Right Movement to Gut the Constitution

As the interregnum without a speaker of the House came to an end last month, people from across the political spectrum came together, in a rare show of unity, to ask a single question: Who in the world is Mike Johnson? But amidst the general bewilderment, one group of conservative evangelicals with a radical cause immediately recognized the new speaker’s name.

For the last 10 years, the “Convention of States” movement has sought to remake the Constitution and force a tea party vision of the framers’ intent upon America. This...