John Key tight-lipped on why spying claims are 'wrong'

John Key says new claims around intelligence collection are wrong - but he won't say why. He also says the GCSB is acting legally - but won't say how. And he says we are spying - but won't say on who. The Prime Minister has fronted media after a day of controversy caused by the publication of documents taken by whistleblower Edward Snowden while a contractor for the United States' National Security Agency.