'Biden has a stammer like me'
Next week Joe Biden will be inaugurated as the 46th President of the United States. He will also become the first president to have a stammer.
It’s a condition that affects around 1.5 million adults across the UK. The BBC’s Felicity Baker reports on what it’s like to live with this often hidden disability.
This video has been optimised for mobile viewing on the BBC News app. The BBC News app is available from the Apple App Store, external for iPhone and Google Play Store, external for Android.