11.   The questions over financing for new weapons underscored the challenges facing Rumsfeld as he returns to a Pentagon bureaucracy that he acknowledged resists change.

12.   Two cases in New Jersey underscored the challenges faced by investigators.

13.   The findings underscore the challenges ahead for the House Republicans -- even with presidential front-runner Bush showing strongly in the polls.

14.   The message underscored the challenge facing the major nuclear powers in marshaling international pressure to curb the nuclear arms race in South Asia.

15.   The polls underscored the challenge ahead for Gore, and explained the evening program, as well.

16.   The unrest in Kashmir and other parts of India underscore the challenges the winner will face.