Re: So basically Assange's lawyers are asking for favoritism?
Which is one of the reasons for the rule of law
Sure. Yet even the law can be unclear, considering that whistleblower protection laws exist and sometimes apply, sometimes not. Quoting from the Wikipedia™ article about whistleblowers:
"Whistleblowing in the U.S. is affected by a complex patchwork of contradictory laws."
I wish it was possible to know whether someone's actions are legal or not, but very often, the answer costs a lot of money and time spent in front of a judge.
Spying is also particular in the fact that its illegality depends on the place. Spying in the US is illegal in the US. Spying on the US might be illegal in the UK. Spying on the US is probably not illegal in Iceland. In general, people don't get extradited to another country for acts that are not a crime in the country where they are (blasphemy laws come to mind).
So you can say that Assange will be judged according to the rule of law (assuming he is); but you cannot tell me that this truly determines whether what he did was wrong.