While following the terrible events in Houston and elsewhere, it occurred to me that this particular hurricane, with its unprecedented and hard-to-forecast behavior and the enormous losses it's causing is also a good metaphor for what has happened to American politics in the age of Trump.
We no longer know which rules apply, we cannot use old prediction models, we are not properly prepared for the damage we are going to suffer, and the levees are breaking.
Those levees are the basic rules of democracy, however flawed, and Trump simply doesn't respect any of them.