100 DaysSeries 121/03/2017BBC News Duration: 45 minutesFirst broadcast: Tue 21st Mar 2017, 19:00 on BBC FourLatest broadcast: Tue 21st Mar 2017, 19:00 on BBC News Channel HDAs President Trump takes office, Katty Kay in Washington and Christian Fraser in London report on the events that are shaping our world.ContributorsPresenter:Katty KayPresenter:Christian FraserGenresFactualPoliticsNewsBrand100 DaysSeries100 Days: Series 1 Source: BBC Online