Explained: Trump replaces Susie Wiles with Stephen Miller as chief of staff after GOP's midterm defeat

Trump replaced Susie Wiles with Stephen Miller as White House chief of staff on Friday, days after the GOP lost control of Congress in the midterms

chief of staff

The senior aide who manages operations and access within the White House

deputy chief of staff

A senior White House aide who assists the chief of staff and oversees specific policy areas

lobbyist

A person paid to influence government officials or policy on behalf of clients

mammogram

An X-ray imaging test used to screen for breast cancer

campaign manager

The person who runs the day-to-day operations of a political campaign