This is babble's official English-language leaders' debate thread. rabble.ca columnists Murray Dobbin and Duncan Cameron will be dropping by to offer live commentary during the debates, field your questions and give post-mortem analysis.
This thread will open at 6pm EST/3pm PST.
Until then, check out existing babble threads on the debates:
Leading up to the election debates
Greens still excluded [from party leaders' debates]