21.   The new deal includes a buyout clause should Hewitt opt to leave for another college coaching job.

22.   The official acknowledged the administration also will have little diplomatic leverage in case nonnuclear states opt to leave the Non-Proliferation Treaty.

23.   Aikman has not faced this sort of career crossroads since college, when he opted to leave Oklahoma for UCLA.

24.   But Chong would not say how many had opted to leave the company instead of taking the new pay deal.

25.   But Fed policy-makers opted to leave interest rates unchanged last month, citing signs of a rebound.

26.   Citing signs of an economic turnaround, the Fed opted to leave interest rates steady in January and March.

27.   Citing signs of a turnaround, the Fed opted to leave rates alone in January and March.

28.   Fed policy-makers opted to leave interest rates alone in January and at their meeting next week they are expected to do the same, analysts said.

29.   In ordinary circumstances an employee who does not agree to a salary reduction may opt to leave the employment.

30.   Last month, the Fed opted to leave interest rates unchanged and cited signs of a recovery as the basis for its decision.