He said no challenge had emerged because "there isn't any leadership left in the Democratic Party."

In 1896, a challenge of leadership emerged between a father and son.

Along with the advantages, several challenges also emerged giving rise to many important research topics.

The constitutional challenge emerged from a lower court criminal case involving the theft of a watch.

From this emerges the challenge to also adapt the methodological approach to the situation today.

As summer returns, a new challenge emerges: Yellowstone begins to dry out.

However, a more fundamental challenge to endangered species recovery may be emerging.

But the biggest challenge to London's dominance emerged in the 1741 season.

Let the challenge emerge, don't rush to meet what you cannot yet see.

The agreement goes into effect in 35 days if no further legal challenges emerge.