Convention, however, is meant to be defied.

WSJ: White Accessories: Do the White Thing

Menyoli's tale is just one of many, too numerous to list comprehensively here, that have shown the Winter Olympics to be a tournament where Africa has defied the odds to have a presence.

CNN: STORY HIGHLIGHTS

The Austrian is fortunate to be able to walk let alone ski, yet he has defied doctors and his critics to clinch the title for a fourth time.

BBC: The Herminator is back

The prime minister has said that no MP found to have "defied the rules" over their expenses claims will be able to represent Labour at the next general election.

BBC: Moran's future as MP under review

Mr Brown was asked about an announcement earlier that Labour MPs who had "defied the rules" would not be allowed to stand for re-election.

BBC: MPs' 'gentlemen's club must end'

Federer then upset home favorite Murray in the semifinals, and former world No. 4 Greg Rusedski told CNN that his performances during last season had "defied logic" after appearing to be on the decline in 2011.

CNN: Changing of the tennis guard: Will 'big four' become two?

Security Council to demonstrate that its resolutions cannot be defied with impunity.

CENTERFORSECURITYPOLICY: "Never Again," Obama Style

"Canadian employment not only defied expectations in December, it also appears to be defying gravity, " said Doug Porter, the Bank of Montreal's deputy chief economist.

BBC: US unemployment rate holds steady in December at 7.8%

However this was to be Glamorgan's last success of the day as Prince and Croft defied the fading light and an asking rate of sevens runs an over to share their third century stand of the summer and take Lancashire to victory.

BBC: Lancashire's Prince and Croft defeat Glamorgan