IMHO, a huge ongoing PR problem with metric in the United States and also in metricating countries is its being the butt of jokes, usually having to do with conversion between systems, and not usually involving the use of the metric system alone. Here's a current classic from Australia:
http://www.smh.com.au/articles/2004/05/30/1085855438557.html I'd love to hear some discussion about this. I think this is a very important metric issue! Thanks. -- Paul Trusten, R.Ph. 3609 Caldera Blvd., Apt. 122 Midland TX 79707-2872 USA