Trump aide promises 'very professional transition' to Biden President Donald Trump’s national security adviser has promised a “very professional transition” to the administration of President-elect Joe Biden Trump adviser predicts ‘very professional transition’ to Biden adminIt’s the first time anyone in the White House has talked publicly about Trump’s electoral defeat Top Trump adviser moves closer to accepting Biden win: 'Obviously, things look that way now'National security adviser Robert O'Brien promised that there will be a professional transition from the White House National Security Council "if" President-elect Joe Biden is officially determined the winner of the 2020 election, acknowledging "obviously Trump’s national security adviser says Biden appears to have 'obviously' won electionTrump administration official says transition will happen because Democrat 'obviously’ looked like the winner Trump aide promises ‘very professional transition’ to BidenPresident Donald Trump’s national security adviser has promised a “very professional transition” to the administration of President-elect Joe Biden Trump's national security adviser nods to Biden's apparent victoryRobert O'Brien promised the NSC would carry out a "very professional transition" once results are certified. Trump aide promises ‘very professional transition’ to BidenNational Security Adviser Robert O’Brien’s comments are some of the firmest statements yet from a senior official acknowledging the US president’s election loss. Trump national security adviser says it looks like Biden has wonRobert O'Brien says he will ensure a professional transition to Joe Biden's team if Biden is deemed the winner of the presidential election and "obviously things look like that now".