Everyone is wondering if tonight's televised leadership debate can be a game changer.
The prevailing wisdom -- which in this case is actually pretty wise -- is that such a moment is not very likely to happen, even if things get rowdy.
Just the same -- another bit of conventional wisdom that happens to be right -- debates matter more when a political race is close, as this one increasingly appears to be.
So when it's time to file our copy tonight, the odds are good most journos and bloggers will be intoning that "no punches were landed" on Premier Jim Prentice by the other three amigos who were allowed to take part in the debate by Global TV. But you just never know …