For 5., the actual statement I could find reported was that Sweden will honour its treaties, and in particular if the US fulfills all conditions in the US-Sweden extradition treaty, Sweden is obliged, under treaty, to comply.
And it is extremely problematic in many ways for anyone (Judge or Politician) to promise at this stage what will happen when the Swedish judicial system deals with a hypothetical extradition request.
And it is extremely problematic in many ways for anyone (Judge or Politician) to promise at this stage what will happen when the Swedish judicial system deals with a hypothetical extradition request.