In order to understand deterrance, or at least say something intelligent about it, one has to look at the rate of recidivism. Now, as the US jails are so much more punishment oriented than those in the UK, then one would expect fewer returnees. If UK jails are so cushy, one would think that petty criminals ... say small-time robbers ... would be lining up to get back in as the winter weather approaches. And, of course, the opposite would be true in the US. Strange to say, US recidivism rates are way higher than those in Britain.

For the crime of robbery, for example, US recidivism rates are as high as 70%

The much lower recidivism rate in the UK has been attributed, in many studies, to the British focus on rehabilitation rather than on punishment.
Don't expect this argument to have much effect on the hang 'em high, bring back the lash crowd on here ... they seem to be beyond reason. It doesn't seem to matter to them that in Britain, and Canada for that matter, crime rates and recidivism rates are dropping owing to policies focussing on education and rehabilitation, rather than on punishment and deterrant.
Someone mentioned in an earlier post that the UK had 5 murders over the holiday season (ok, Christmas

) ... holy feces

FIVE!!!!!!!!!!! In the Land of the Free, and the Home of the Electric Chair, this total reflects a slow wednesday in Detroit.