1.   Consequently, the brains of people who exercise may be better equipped to tackle mental challenges.

2.   It also had to tackle the challenge of ensuring international oil operators knew of the capabilities of local suppliers.

3.   And each side is tackling familiar challenges while pushing their businesses into foreign territory.

4.   But even as the Republican Conference has broadened its hierarchy, it has created a new top tier to tackle the challenges of a new millennium.

5.   But Pfeiffer has shown an ability to lead the company nimbly to tackle new challenges in the past.

6.   Edelstein, deep into the seventh year of the longest stint on his resume, is brimming with energy to tackle the challenge.

7.   In keeping with that anniversary, the latest issue of Smithsonian magazine tackles the challenge of modern performance.

8.   PRESIDENT OF PBS RESIGNS Ervin S. Duggan resigned as president of the Public Broadcasting Service, saying he wanted to tackle new challenges.

9.   Reed said that tackling the challenges of the Internet was now a high-priority at Citigroup.