How can what purports to be a competent political party be so obsessed with abortion?
"They're the ones I'm a bit worried about. They're basically a single-issue anti-abortion party," he said.
"It's a real worry that they would simply take that as their (sole) negotiating item."
Mr Barber said he feared Premier Steve Bracks could shelve plans to decriminalise abortion to secure the support of the DLP members in the upper house.
"I think the whole legislation agenda could be distorted if they (legislate) through a single framework," he said.
Is pro-abortion legislation the only thing that the Greens are fighting for?