They say all is fair in love, war and politics - but am I the only person in the country who feels some sympathy for Gordon Brown over the fact that he is now reaping the whirlwind of a Labour Party funding scandal which was absolutely not of his own making?
Brown has been party leader and Prime Minister for five months. Yet everyone acknowledges that the origins of the David Abrahams affair go back four years.
There is one very important difference between this and both Northern Rock and Discgate. While both of those happened on Mr Brown's watch - and hence are things for which he has to take ultimate responsibility - the vast majority of the dodgy donations were made on his predecessor's.
So for David Cameron to suggest on the back of the affair today that the Prime Minister is not up to the job - without a shred of evidence directly linking him to it - is in my view deeply opportunistic.
It is true that Harriet Harman has been a fool not to check more closely where her deputy leadership campaign funds were coming from, but she was never the sharpest tool in the box.
Someone on another blog compared her to John Prescott the other day. Wrong. Prescott was a highly intelligent guy who was regarded as a bit thick because of his syntactical difficulties. When it comes to the density of porcine ordure, Harman is actually the genuine article.
People are saying there is much more of this story to come out, and I agree with Guido that the key to it probably lies in the government's sudden decision to lift its objections to Mr Abrahams' plans for a business park near Durham in October 2006.
Would it be uncharitable to point out that this decision was also taken under the stewardship of Mr Blair, at whose leaving party in Sedgefield Mr Abrahams was subsequently given a place of such honour?