1.   Although the reasons remain unclear, many experts suspect that the increase may be partly the result of growing exposure to new chemicals in the environment.

2.   Although the reasons remain unclear, many experts suspect the increase may be partly the result of growing exposure to new chemicals in the environment.

3.   After the court struggle, experts suspect, a weary electorate will have lost its appetite for fighting.

4.   But because the rate of injuries has outpaced increases in participation among certain groups, experts suspect that many of these converts may not be lifting correctly.

5.   But at least a few experts suspected that politics played at least an indirect role in the rate cuts.

6.   But federal experts suspect that clandestine supplies of the virus exist and are taking no chances.

7.   But experts in germ warfare suspect that secret stocks exist elsewhere, including countries that hardly enjoy international seals of approval, like North Korea and Iraq.

8.   But experts suspect its presence in clandestine stockpiles.

9.   But germ warfare experts suspect that other countries, including North Korea and Iraq, may have secretly obtained stocks.

10.   But if the source is not connected to al-Qaida, as many intelligence experts suspect, they might have been sent anyway.