> The problem is that states aren't seeing the sales tax revenue from out of state purchases and have become increasingly insistent that they receive said reven

> The problem is that states aren't seeing the sales tax revenue from out of state purchases and have become increasingly insistent that they receive said revenue. That's not a problem: It's a use-case covered explicitly by the US constitution. The real problem is that the states have been slow to change and adapt to a world where interstate commerce is edging out intrastate commerce. Trying to overrule the constitution is just waiting for someone with deep pockets to make a federal case out of it. Already amazon is losing biz on electronics to the folks that aren't collecting.