First of all, that's unrelated to the extradition to Sweden. He said that he didn't want to go to Sweden because then he would be more likely to get extradited, but the opposite was true. He fought to stay in the UK, but fled when all legal options to avoid going to Sweden was exhausted.
Second, the US has had seven more years to build a case now, and a new Republican government.
> First of all, that's unrelated to the extradition to Sweden.
It's not "unrelated". It shows the US wants him, as he claimed.
You write that the UK would have had to authorize a further extradition from Sweden to the US, but does that authorization depend on the same level of judicial review?
Second, the US has had seven more years to build a case now, and a new Republican government.