Where did Greenwald work between Salon and The Guardian?
Chicago Tribune
BBC News
Al Jazeera
He didn't work elsewhere
Answer
Greenwald worked directly for Salon and The Guardian, without any intervening employment elsewhere. This means that there was no other organization or publication for which he was employed during the time between his tenure at Salon and his subsequent work at The Guardian.
Unlocking Glenn Greenwald: Exploring the Life and Works of an Incisive American Journalist