蜜芽传媒

Once Donald Trump enters the Oval Office, how easy will it be for him to overturn President Obama's legacy?

Jonathan Turley, is professor of law at the George Washington University Law School.

He told Radio 4's PM programme that the way Obama passed some laws, "by going it alone", will mean they will be easier to change by his successor.

(Photo: U.S. Capitol building in Washington Credit: Getty Images)