PHOENIX — Long before he assembled one of the largest far-right anti-government militia groups in U.S. history, before his Oath Keepers stormed the U.S. Capitol on Jan. 6, 2021, Stewart Rhodes was a promising Yale Law School graduate.He secured a clerkship on the Arizona Supreme Court, in part thanks to his unusual life story: a stint as an Army paratrooper cut short by a training accident, followed by marriage, college and an Ivy League law degree.The clerkship was one more rung up from a hardscrabble beginning. But …