This analysis is not convincing. T rump is only the latest republican who has led the gradual erosion of the unwritten norms of fair play and mutuality that are necessary in order to enable any institutions to work.

Countless states have constitutions that look fantastic. However, almost none of them work because there is no political culture of mutual respect and accomodation and fair play.

This culture is disappearing fast in the U.S. For example, the repubs simply refused to meet to review Obama's selection of a SCC justice. It should have been his right to choose the justice. The Republs stonewalling on countless issues throughout Obama's years, the disgusting disrespect shown to Obama, hyper-partisanship even for mundane administrative issues. 

T rump is a degenerate fascist; and American democracy is in far more danger than Ibbitson allows thanks to the neocons.