President Donald Trump had admitted if he could change one thing about his presidency, it would be "personnel" as he wasn't happy with his previous Attorney-General.
In an interview with NBC, Trump was asked if he could have one "do-over" as president, what would it be.
"Well it would be personnel," replied Trump.
"I would say if I had one do-over it would be, I would not have appointed Jeff Sessions to be attorney general. That would be my one," he told NBC.
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Jeff Sessions, an Alabama Republican senator, was the first to endorse Trump's presidential campaign.
Controversy arose in 2017 when Sessions was accused of lying about his contact with Russians during Trump's 2016 presidential campaign.
A report by the Washington Post alleged Sessions had met twice with Russian officials during the campaign.
It says Sessions met with Russia's ambassador Sergey Kislyak in private meetings after he had sworn under oath at his confirmation hearing that he had never had any contact with the Russians.
In March 2017 Sessions announced he would recuse himself from any investigations into Russia's interference in the 2016 election, or any other matters relating to the election.
He was accused by Republicans and Democrats of lying under oath and faced increasing pressure to resign.
In November 2018, he did and Trump replaced him with William Barr.