What leadership lessons did Obama share in his final press conference?

As The United States of America bids farewell to Barack Obama’s two-term presidency, the outgoing president – speaking at his final press-conference - had some key leadership lessons for his successor, Donald Trump.

With reporters grouped in the White House, Obama thanked the media for scrutinizing his decisions and processes, whilst also touching on his administration’s transparency, Russian-relations and his own fashion faux pas.