Supporters of WikiLeaks co-founder Julian Assange say his health is deteriorating behind bars. This follows a London Court ruling the Australian journalist can be extradited to the United States where he faces spying charges. Tauranga-based lawyer Craig Tuck says Assange is being punished for speaking truth to power. Greg Barns is a senior counsel adviser of the Assange campaign and member of the New Zealand Bar, he talks to Māni Dunlop.