The odds ought to favour a double election: opinion polls suggest that Mr Koizumi's reform-minded cabinet enjoys the support of almost every voter in Japan.
Three parties - Labour, Tories and Lib Dems - have also named candidates for Wales' first double by-election.
BBC: NEWS | UK | Wales | South East Wales | MP's widow to fight assembly seat
Some of this may be the necessary double-speak of an election campaign.
Voter turnout was 44%, nearly double the tally of the last election in 1992.
PML-N's ambitious election manifesto pledges to double economic growth from the 3% seen in recent years, hugely increase tax revenue and damp inflation.
Now on the flip side of the coin, if you look at how many presidential election years have seen double-digit gains since 1940, there have been seven of them.
The vanishing Coleman vote came during a week in which election officials are obliged to double-check their initial results.
Viktor Orban, who founded Fidesz, Hungary's centre-right opposition party, 22 years ago in March 1988, hopes for a double celebration after this weekend's election.
ECONOMIST: A likely win for Fidesz that some hope may halt the far-right
And returning to the variable at hand, pre-election polls gave Romney a double-digit lead among likely voters with college educations, although Obama led among those with post-graduate degrees.
In 1988, Michael Dukakis lost a double-digit lead and then the election after he answered without any apparent feeling or emotion, moderator Bernie Shaw's question as to whether he theoretically would support the death penalty for someone who raped his wife.
No deal to avoid this double whammy is likely before the November 6th election.
There was a glimmer of hope for the first-term senator when polls showed she began to close Fitzgerald's double-digit lead late in the week before election day.
In sum, a double boost to Mr Cardoso's chances of reaching the election without further mishap, despite continuing stockmarket fragility.
Coincidentally, on the day the writ was moved for the Mid Ulster by-election, the Northern Ireland Office published its draft bill on double jobbing and other potential changes to the political system here.
All but Ms. Heitkamp face re-election next year in states that Mr. Obama lost in 2012 by double-digit margins.
Maduro was certified the winner of a disputed presidential election Monday amid questions about his ability to lead after he squandered a double-digit lead in the race despite an outpouring of sympathy following Chavez's death.
During Reagan's first two years, the economy got a lot worse -- double-digit unemployment by the end of 1982, at the time of the midterm election.
In the last election, in 2000, the Alliance won 25.5% of the vote, double that of the Progressive Conservatives.
In years before a presidential election, such as 2011, December has gained on average 3.34%, more than double its usual annual return.
应用推荐