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Hello and welcome to the Intelligence on Economist Radio.

I'm your host, Jason Palmer.

Every weekday, we provide a fresh perspective on the events shaping your world.

There's a lot of evidence that multiple generations living together benefits them all,

sharing experiences and sparing loneliness. It's a trend that, despite the pandemic's prescription

that people stay apart,

is bringing more of them together. And in the Christian world today, many people will be

opening the eighth door of their Advent calendars. We peer through the doors of history to

find how a religious tradition ended up with calendars stocked with booze, jewelry, and even sex toys.

But first...

In Britain this morning, the first doses of a coronavirus vaccine from Pfizer and Biontech have been administered.

90-year-old Margaret Keenan became the first person in the world outside of clinical trials to receive the jab,

and a round of applause for it.

That same vaccine is still awaiting emergency authorization in America.

Protocols there have been a bit more prolonged,

and authorities promised a public hearing before approval.

As that hearing approaches and trial data are tallied and discussed, this week will be crucial for the country's vaccine rollout.

...