It’s a mad day for politics, with Julia Gillard throwing her hat into the ring for the leadership of the nation and a spill occurring at 9am.

Can Kevin Rudd hold on to the leadership? Will he even contest the ballot? Will Australia get its first female PM (but not its first ranga PM, apparently Edmund Barton was one)?

Join in the Crikey live blog fun from 8:30am with our crack team of political commentators.