Even if the Kings deal to Seattle is done, there are still some obstacles. Any franchise purchase and relocation needs NBA approval. And there is the issue of the Seattle environmental analysis for the new arena. That is currently under review and is still months from completion. The city could ask for changes, such as more parking. The whole process is key to the lawsuit by the Longshoremen, which scheduled to be argued in February. And the ILWU's attorney believes it could unwind the arena deal.