1.   And they have no real hope of beating Gore unless an issue emerges that threatens the current prosperity and can be linked to the vice president.

2.   But the reality was that yet another obstacle had emerged to threaten the timely delivery of the flu vaccine.

3.   The health officials said pesticide spraying would occur only as a last resort, if clear signs emerge that the virus threatens people.

4.   They have no real hope of beating Gore unless an issue emerges that threatens the current prosperity and can be linked to the vice president.

5.   Whenever a competitor emerged to threaten Standard Oil, Rockefeller slashed prices to cripple the upstart.