The Labor Party is gearing up for a battle over gay marriage at its upcoming national conference in July.
Acting Opposition Leader Tanya Plibersek is pushing for the party to dump a conscience vote on the issue in favour of a binding vote - a move that could lead to some MPs crossing the floor.
Justin Koonin is the Convenor of the Gay and Lesbian Rights Lobby.
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He spoke to Peggy Giakoumelos about what the push by Tanya Plibersek could mean.
(Click on the audio tab above to hear the full interview)

