The best of TV and streaming this week

Joanna Lumley and Jennifer Saunders bring Ab-Fab sparkle to BBC1’s ‘Amandaland Christmas Special’; Mark Gatiss’s ‘Ghost Story for Christmas: The Room in the Tower’ is an eerie spine-chiller; a liberal couple move to Maga country in the unintentionally comic ‘The Hunting Wives’; the rip-roaring ‘Amad

The AI boom is not a bubble

Valuations may be spectacular and a bust could come — but while there’s exuberance there is no mania or irrationality

Year in a word: Taco

In spite of the erratic nature of Donald Trump’s decision making, a distinct pattern has emerged