> a crime against the United States
That is the definition of a political crime. Governments are allowed to charge people of crimes which only have the government as victim, but most countries (including the UK) have laws against extradition for such crimes.
And when the person you charge is not a citizen of your country, and the act harming government is simply journalism, you have to be pretty blind to deny that it's political.
> they empaneled a grand jury
which can famously indict a ham sandwich. The grand jury was empaneled in a district in which half the adults work for the spy agencies as I recall.
There's a clown show. We are not obliged to respect this kind of process as something proper and legitimate.
> trying to paint himself as a journalist
He has won a ton of journalistic awards. When journalists call you a journalists, you are a journalist, even if security services and their online yes-men say otherwise.