In a massive flip-flop from his earlier stance, U.S. President Joe Biden has pardoned his son Hunter. The move effectively reverses Biden's past promises not to use the extraordinary powers of the presidency for the benefit of his family members. The unprecedented Sunday pardon has been granted for a range of federal felony gun and tax convictions. NDTV's Gaurie Dwivedi speaks to Nicholas Nugent (UK Journalist & Former BBC Editor).