After years behind bars, Julian Assange has walked free from jail and boarded a flight out of the United Kingdom. 

A plea deal has been reached with the United States and soon the 52 year old will be back on Australian soil.

But why did he finally plead guilty and what’s next for the WikiLeaks founder? 

Today, Peter Greste, a former Al Jazeera journalist who was jailed in Egypt for 13 months. 

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Peter Greste, professor of journalism at Macquarie University and executive director of The Alliance for Journalists’ Freedom.