Several years ago, mathematicians rejoiced at the mapping of the world’s most complex structure, the 248-dimension “Lie Group E8” (right). Not to be outdone, the en banc Fifth Circuit has issued Brackeen v. Haaland, a 325-page set of opinions about the constitutionality of the Indian Child Welfare Act–a work so complicated that a six-page per curiam introduction is needed to explain the Court’s divisions on the issues. No. 18-11479 (April 6, 2021). The splits, opinions, and holdings will be reviewed in future posts.