Trump campaign co-chair Susie Wiles will serve as White House chief of staff, the first woman — Republican or Democrat — ever to hold that position.

Another Republican president, George H.W. Bush, named three White House chiefs of staff during his one term in office: John Sununu in 1989-91, Samuel Skinner in 1991-92 and James Baker in 1992-93.

Susie Wiles will be Donald Trump's chief of staff when he returns to the White House, Trump announced last week. Naming Wiles to the position was in its own way histo