In future electoral contests, there should be a primary to choose a single pro-European candidate to go into battle whenever a hard Brexiter is standing.
Back then Howe was closely aligned with Thatcher's former chancellor Nigel Lawson, who has since reinvented himself as a bullish Brexiter.
Goldsmith, meanwhile, is a hardline Brexiter.
Courts is an unpopular candidate anyway, an unabashed Brexiter in a staunchly remain area.
But May deliberately included a strong attack on the European convention on human rights, knowing it would be widely, but inaccurately, portrayed as evidence of being a secret Brexiter at heart regardless of the fact the ECHR has nothing to do with the EU.
On one side is Zac Goldsmith, a prominent Brexiter whose voting record is massively Eurosceptic (who incidentally is being supported by Ukip), and on the other is Liberal Democrat Sarah Olney, who is campaigning to remain in the single market.
These poor trousers have been working overtime: soft leather worn by a hard Brexiter.
Michael Gove, another leading Brexiter, seems to have been playing a complicated political chess game with himself.
Her Conservative rival, Robert Courts, a local councillor and barrister, is a Brexiter.
Alan Duncan, a Conservative MP and former minister, said it was wrong to assume the new leader had to be a Brexiter.
At the most recent prime minister's questions, Mr Clarke was moved to condemn the "Brexiter ministers" whom he identified as the principal culprits.
