1.   Crack became the urban drug of choice taken mainly by blacks and meth became the blue-collar, middle America drug taken mainly by white males.

2.   Cracks have become more common, especially where flat expanses of farmland have been plowed into neighborhoods.

3.   It also ignored warnings from its drug enforcement officials that crack was becoming a major issue.

4.   The cracks are becoming the Grand Canyon.

5.   Then again if you do nothing the crack might not become larger.

6.   When cracks appeared on the north wall and widened almost enough to see outside, it became obvious that serious foundation problems existed, too.