It might be the last full day of business before parliament wraps up for Christmas but there is plenty on the menu for Sam and Anne to tackle. The duo look at:  • The man to beat in the race to become the next UK ambassador to the United States  • Britain looking set to rejoin the Erasmus student exchange programme but how much will it cost the taxpayer?  • Gossip and fallout from the Angela Rayner polling about how she’s perceived with Labour voters