Why did this impeachment witness earn applause?
Media playback is unsupported on your device
Video

Trump impeachment: Witness came under attack

Four witnesses testified before Congress on Tuesday as part of the impeachment inquiry into President Donald Trump.

This video has been optimised for mobile viewing on the BBC News app. The BBC News app is available from the Apple App Store for iPhone and Google Play Store for Android.

  • 20 Nov 2019