White House Chief of Staff John Kelly (2nd L top row) who U.S. President Donald Trump said will leave his job at the end of 2018 and former Trump administration appointees are seen in this combination photo, (top row L-R) Rex Tillerson, Kelly, Jeff Sessions, Michael Flynn, H.R. McMaster, Scott Pruitt, Tom Price, and Nikki Haley, (middle row L-R) Anthony Scaramucci, Reince Priebus, Steve Bannon, Sean Spicer, Gary Cohn, Hope Hicks, Rob Porter, and Omarosa Manigault, (bottom row L-R) David Shulkin, Rick Dearborn, Joe Hagin, Tom Bossert, Sebastian Gorka, Dina Powell, Marc Short, and Don McGahn, from Reuters files. REUTERS/File Photos