He says many,if not all, of the top American colleges once had a core curriculum a set of courses required for all students.

VOA: special.2009.10.22

If they are not chosen for a trial after a day, they are not required to return.

VOA: special.2009.08.31

But if a trial is held, jurors are not required to decide "beyond a reasonable doubt.

VOA: special.2009.08.31

He said he has ordered a report in thirty days on what,if any, additional safety measures and technologies should be required to prevent future spills.

VOA: special.2010.05.01

"If there are adjustments, there may have to be adjustments made in terms of what is required to achieve the mission if it changes,".

VOA: standard.2009.09.23