11.   Explaining the shift, Bush noted that the Clean Air Act does not include carbon dioxide as a pollutant.

12.   Jewish Agency chairman Sallai Meridor explained the shift by recalling Jewish memories of the Holocaust.

13.   Medical school officials are hard-pressed to explain the shift.

14.   Powell explained the shift in policy in separate meetings here with Greek Foreign Minister George Papandreou and Turkish Foreign Minister Ismail Cem.