Calling him one of the smartest blokes in the world, Michael McLaren speaks with Professor David Flint on the issue of public postal votes.

On the same-sex marriage postal survey, Mr Flint says “it wasn’t run with the integrity it should’ve been run with. There was no control over how you ensured that the forms came from the voter, and against duplicate forms.”

“In principle, the idea is very good.”

Listen to the full interview below