The tenure of Reince Priebus, Trump’s chief of staff

White House Chief of Staff Reince Priebus talks on a cellphone before a closed-door Senate GOP conference meeting on Capitol Hill, June 27, 2017, in Washington, DC. (Drew Angerer/Getty Images)
White House Chief Strategist Steve Bannon, left, and White House Chief of Staff Reince Priebus laugh before a press conference with President Trump and German Chancellor Angela Merkel in the East Room of the White House March 17, 2017 in Washington, DC. (Brendan Smialowski/AFP/Getty Images)
White House senior staff on the colonnade at the White House in Washington, Jan. 27, 2017. From left: Kellyanne Conway, Hope Hicks, Jared Kushner, Stephen Bannon, Reince Priebus and Stephen Miller. (Stephen Crowley/The New York Times)
Presidenital advisor Stephen Miller, Presidential advisor, Steve Bannon and White House Chief of Staff Reince Priebus, listen as U.S. President Donald Trump speaks before signing an Executive Memorandum on the investigation of steel imports, in the Oval Office at the White House on April 20, 2017, in Washington, DC. (Mark Wilson/Getty Images)
President Donald Trump and Saudi Defense Minister and Deputy Crown Prince Mohammed bin Salman arrive for lunch in the State Dining Room of the White House in Washington March 14, 2017. Chief of Staff Reince Priebus walks by at the head of the table. (AP Photo/Evan Vucci)
Ivanka Trump, daughter of President Donald Trump, her husband, senior adviser Jared Kushner, their two children Arabella Kushner and Joseph Kushner, Chief White House Strategist Steve Bannon, second from right, and Chief of Staff Reince Priebus walk to Air Force One at Andrews Air Force Base in Md., Friday, Feb. 17, 2017. (Andrew Harnik/AP Photo)
President Donald Trump speaks on the phone with Russian President Vladimir Putin in the Oval Office of the White House, January 28, 2017 in Washington, DC. Also pictured, from left, White House Chief of Staff Reince Priebus, Vice President Mike Pence, White House Chief Strategist Steve Bannon and Press Secretary Sean Spicer. (Drew Angerer/Getty Images)
Counselor to the President Kellyanne Conway, left, and White House Chief of Staff Reince Priebus, second from left, direct leaders of historically black universities and colleges for a photo with President Donald Trump in the Oval Office before a meeting with Vice President Mike Pence February 27, 2017, in Washington, DC. (Brendan Smialowski/AFP/Getty Images)
Jared Kushner, son-in-law and senior advisor to President Donald Trump, shares a moment with White House Chief of Staff Reince Priebus during a Congressional picnic at the South Lawn of the White House June 22, 2017 in Washington, DC. (Alex Wong/Getty Images)