About 20 percent of Presidential nominations have not gone through.

Once again, he lost - at least in the short run - and the Republican presidential nomination went to another.

There won't be a fight for the Democratic presidential nomination.

Who was the first woman to win a major party's vice presidential nomination?

In 1952 he was one of five people on the short list for the Republican vice presidential nomination.

He was a candidate for the Republican presidential nomination in 1920.

He was a candidate for the Democratic presidential nomination in 1992.

His 1972 race for the Democratic presidential nomination barely got off the ground.

In 1959, the senator let it be known that he was not going to campaign a third time for the presidential nomination.

And for months, it has felt as if the Democratic presidential nomination was his to lose.