For many years now, MADD has focused much of its considerable manpower (over 600 chapters), resources (revenues of over $51 million a year) and political influence on the proliferation of DUI roadblocks (or, to use the politically correct phrase, “sobriety checkpoints”). To justify this invasion of our privacy, we have been repeatedly assured that “checkpoints” [...]

Read the complete post at http://www.duiblog.com/2008/04/10/are-dui-roadblocks-effective-3/