Colebatch says three Victorian seats are "pretty certain" Labor wins - Dunkley, Corangamite and Chisholm. A number of others "are really open" - Casey, La Trobe, Deakin, Flinders and even Higgins.

Politics with Michelle Grattan: Tim Colebatch on the battle in Victoria - and the Senate

Welcome to Pasha, The Conversation Africa’s brand new podcast. In the spirit of The Conversation, Pasha – which means to inform in Swahili – will be bringing you some of the best and brightest research from academics across the continent. After nearly four years of publishing expert research, we’re thrilled to be bringing our own brand of smart journalism to a new audio format. Each episode will collect stories and commentary on a given theme.

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Politics with Michelle Grattan: Tim Colebatch on the battle in Victoria - and the Senate

Politics with Michelle Grattan: Tim Colebatch on the battle in Victoria - and the Senate