"We do have a very ambitious set of goals," Mr. Wheat said in an interview today.

It was national policy in 1991 to "increase the reliability and lifetime" of the shuttles by pursuing an ambitious set of design improvements.

"For the first time in our history, the governors and President have gone together and help set up an ambitious set of goals for education."

Below is one of the curriculum's many ambitious sets of standards, this one for art history.

The most ambitious sets are constructed for half-hour sitcoms: detailed offices, living rooms and kitchens.

He also had a more ambitious set of aspirations.

An ambitious set of features was originally planned, including a second engine shed, a turntable, garden and another platform.

"We use it because it is the most ambitious and optimistic set of probabilities."

Moldova has undertaken an ambitious set of political, economic and social reforms, which must be encouraged to continue.

More than 70 world leaders will meet here on Sunday to adopt an ambitious set of goals to improve life for poor children throughout the world.