Poll Roundup: Ghosts of 1996 and 2007 Edition

2PP Aggregate: 54.1 to Labor (+0.9 since last week)
(Weighted for time only, no house effects or quality weightings)
If the normal range of polling to result relationships applies, Labor is very likely to win

I've been very time-challenged this election (expending much of last night refuting an American know-all and sundry reply-guys about our preferencing system on Twitter probably didn't help) but finally, maybe, I can get something out in time for an article about the state of national polling. 

As an overall summary, Labor suffered alarmingly rapid losses in support during the first week and a half of the campaign as documented in the previous edition, but the Coalition's position did not improve over the next two weeks, and now in the latest round of polling there has been a bit of a blowout.  Labor's lead is so large now that the Coalition is extremely unlikely to win by normal means.  What hope remains for the current government is that the polls are even more wrong than last time (despite everything some of them have done to repair it) or that they are about or nearly as wrong as last time and the government makes some improvements over the final week and a half then gets lucky with the seat distribution and scrambles back, perhaps with a sub-50 2PP.  It's not all over yet, but on the other hand the prospect of a decisive Labor win is much stronger now than it looked even three weeks ago.