It’s no secret that President Donald Trump has expressed his frustration with Attorney General Jeff Sessions more than once. According to Politico, Trump criticized Sessions lack of Ivy League education and his Southern accent, saying “that he can’t stand his Southern accent.”

Aides in the White House note that not only Sessions recusal from the Russia investigation began the rift. But that dislike has morphed into other areas. The president doesn’t like that the attorney general doesn’t have a Ivy League education and that Sessions isn’t a capable defender of the president on television — in part because he “talks like he has marbles in his mouth,” White House aides told Politico. Sessions was born in Selma, Alabama, and went to the University of Alabama.

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This is only the latest in a series of insults Trump has hurled at Sessions recently, while considering  firing him. Last week, Trump attacked Sessions several time, telling Fox & Friends that Sessions “never took control of the Justice Department and it’s a sort of an incredible thing.”

The fuel for Trump’s latest push was the convictions of his longtime lawyer Michael Cohen and his former campaign manager Paul Manafort — outgrowth of the Russia probe for which the president pointed the finger at Sessions, according to the White House aides.

Trump won every southern state in 2016, and many of those who remain most supportive of Trump are more like Sessions than the president himself. They are rural Americans, southerners and those whose degrees aren’t from elite universities or don’t have a college degree at all. That’s something that his supporters and critics alike have pointed out after the Politico report.