Courts have held that candidates must prove irregularities numbering five or six times the margin of victory.

The experience in East Williston, where no candidate proved suitable, is a prime example of the problem.

"Let's pray that this new candidate proves more tractable, or we will be in deep trouble indeed."

Ms. Williams says that if this year's black candidates prove successful they will have a powerful effect on future campaigns.

He was nominated shortly before the close of nominations when the previous Conservative candidate proved to be ineligible.

Yet it seems that in every presidential campaign season, we demand that our candidates prove their depth.

Several candidates have been proposed, but not proven, and the Moon remains Earth's only known natural satellite.

The judge said candidates were proving 25 percent to 30 percent more willing to serve than they ordinarily do.

An Egyptian candidate proved unable to meet quality standards.

Most of the time in the interview, though, should be spent letting the candidate prove that they can write code.