1.   The incident happened over a holiday weekend.

2.   This happens only over a limited Reynolds number range.

3.   It happens over here too.

4.   President, Congress, whatever happens over the next few years, one thing is sure, the environment is here to stay.

5.   An aide to Giuliani confirmed the call, and said a meeting could happen over the next few days.

6.   And Baker, the lawyer who is still undecided but usually votes Republican, is pretty sure what will happen over the next two weeks.

7.   And as often happens over a drink, someone had a brilliant idea.

8.   And most of those happen over summer vacation.

9.   And yet, some important changes have been happening over the years in Watts.