Graham Harrison ) gurgled happily,
sounding much like they were saying :

I've driven in countries where headlights are the law and also in
parts of the USA where they are becoming the norm.

The US is a particularly entertaining case - they've legislated Daytime
Running Lights that come on with the ignition.

But only at the front.

So what they're finding, AIUI, is that more and more people are
"forgetting" to turn their proper lights on as dark approaches - no need,
their lights are on, they can see fine - but, of course, there's no REAR
lights on...

Only in 'merkinland.