Biden is a former senator from Delaware, a state that's effectively a domestic tax haven.
It's astounding that this isn't more of a national issue this election cycle.
As a national politician, he's been remarkably silent about the darker, more opaque side of the economy of the state where he served for decades.
* Drug lord Joaquin "El Chapo" Guzmán
* Russian arms trafficker Viktor Bout
* 45th President of the United States Donald Trump (among his Delaware LLCs, the Moscow tower vehicle)