CIA Director Mike Pompeo Michael (Mike) Richard PompeoOvernight Defense: House Democrats unveil stopgap spending measure to GOP opposition | Bill includes .6B for new subs | Trump issues Iran sanctions after world shrugs at US action at UN Navalny calls on Russia to return clothes he was wearing when he fell ill US issues Iran sanctions to enforce UN action ignored by international community MORE — who President Trump Donald John TrumpBubba Wallace to be driver of Michael Jordan, Denny Hamlin NASCAR team Graham: GOP will confirm Trump's Supreme Court nominee before the election Southwest Airlines, unions call for six-month extension of government aid MORE has nominated to be secretary of State — has reached out to former Secretaries of State Hillary Clinton Hillary Diane Rodham ClintonJoe Biden looks to expand election battleground into Trump country Biden leads Trump by 12 points among Catholic voters: poll The Hill's Campaign Report: Biden goes on offense MORE and John Kelly John Francis KellyMORE for advice as he prepares for what is likely to be a tough confirmation process, Politico reported.

Despite in the past going after Clinton for her response to the 2012 attacks in Benghazi and liking a tweet calling Kerry a "traitor," Pompeo has reached out to both, and every other the living official who held the role of secretary of State, according to Politico.

Clinton has been willing to help.

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She told Pompeo that he needs to ensure career diplomats don’t keep leaving the department as they did during former Secretary of State Rex Tillerson Rex Wayne TillersonGary Cohn: 'I haven't made up my mind' on vote for president in November Kushner says 'Alice in Wonderland' describes Trump presidency: Woodward book Conspicuous by their absence from the Republican Convention MORE’s tenure, a source told Politico.

Pompeo has been more willing to engage with State Department officials who were often ignored by Tillerson, Politico reported.

However, many believe that Pompeo’s biggest challenge will be to maintain a good relationship with Trump, a feat Tillerson struggled with.

In the Senate, Pompeo faces a tough confirmation as Democrats are expected to ask him some tough questions about numerous issues.

He has been preparing for his confirmation by reading a lot of material, taking part in briefing sessions at the State Department and practicing in mock question-and-answer sessions.