Cory Bernardi leaves politics, with his mission largely fulfilled. The Australian right has been remade, if not exactly in his image, at least in something uncomfortably like it.
Britain's December election is going to be a minefield of tactical voting. This is what happens when modern politics collides with a pre-modern electoral system.
Some Democrats worry that their nominating process can be taken hostage by extremists in the way the Republicans' was four years ago. This is one of the problems of presidential systems.
Spain's left and centre parties pay a heavy price for their failure to co-operate after the last election.
Romania's president has seen six prime ministers during his term, one of whom is now his main opponent for re-election.
Sunday's Spanish election looks unlikely to do much to resolve the mess that the country's politicians have got themselves into.
It's election day in the United States. Control of the Virginia legislature is up for grabs, together with a bunch of other things.
Three months out from the start of the US primary season, one of the top Democrat candidates has already bowed out, and another is barely hanging on.
Try yourself out on a 3-dimensional political diagnosis, and think about what this might mean for party realignment in Britain and elsewhere.
Democracy is still working in some parts of South America, with elections in Argentina and Uruguay yielding results in line with expectations.