麻豆约拍

When Obama moved into the White House he was given "all the support he needed and that's what he wants to do now" for Donald Trump.

Anita McBride was an assistant to President George W Bush and chief of staff to First Lady Laura Bush.

She tells PM's Eddie Mair about how presidential transitions have worked in the past and what secrets of the residence the new occupants will be shown.

(Picture: The White House Credit: Getty Images)