If you had the power to pardon only one of these people, which one would you pardon and why?

What effects does a pardon have, other than on the individual? For example, would pardoning Assange reinforce the legal principle that his form of journalism is a crime?

I'm not a lawyer so I don't know but many insist he did nothing wrong. A pardon for Snowden would in theory remove his exile.

If only politicians were held to the same standard they want to impose for Snowden