1.   City expansion has increased local property tax revenues and has thwarted some flight to suburbia.

2.   AK Steel said the expansion could have a material effect on liquidity, capital expenditures and cash flow.

3.   But expansion has inherent risks, observers say.

4.   But the restless expansion had a price.

5.   Clinton administration officials countered that the five-year economic expansion still has legs.

6.   Clinton administration officials disagreed, pointing to a number of signs that the five-year economic expansion still has legs.

7.   Despite the opposition, the expansion has some ardent supporters.

8.   Expansion has risks.

9.   Has several expansion proposals, including three which would build a fifth runway.

10.   I think expansion has something to do with it.