Once again somehow it is December in Edinburgh and temperatures are forecast to drop below freezing within the week. Relatively speaking our city isn't a particularly cold one and it is even less a snowy one, but when the temperatures do drop the steep gradients of its north-facing streets can prove treacherous. Seventy-odd years ago, the authorities faced a particular headache at The Mound, an accident black-spot where a series of tragedies had been narrowly avoided by good luck alone. Forced to act, they turned to the white heat of technology and installed the first road heating system in the UK; the fabled "electric blanket". In theory it would prove a triumphant success, but it cost three times more to run than the grit it was meant to replace and when the opportune political moment came along it was quietly abandoned - but never forgotten.

What did I get right and wrong?

Fanil Sarvarov was the head of the armed forces' operational training department, Russia's Investigative Committee said.

Thoughts on a goodish week for Europe, a great year for China and an outstanding year for the Trump family. Plus marketing God - lessons from the success of the Alpha Course

The move is part of a government-wide effort to reduce dependency on Microsoft software. The traffic department's move is just the beginning.

What happens to politics, and the country, as net migration collapses?