Thursday he told the outlet, "I do question what Jeff is doing".
Trump has clashed with Sessions since he recused himself from the investigation of Russian meddling in the 2016 election.
At a rally in IN on Thursday night, Trump turned up the rhetoric, threatening to "get involved" in the work of the Justice Department and Federal Bureau of Investigation unless the agencies "start doing their job". "Good job Jeff." In response, Nebraska Republican Senator Ben Sasse said, "The United States is not some banana republic with a two-tiered system of justice-one for the majority party and one for the minority party", in a rebuke of the president and a member of his own party. "I wanted to stay out, but at some point if it doesn't straighten out properly ..."
"I'd love to have him look at the other side", Trump said.
But despite Trump's unhappiness with Sessions, when asked if he would keep him employed past midterms, Bloomberg reports, Trump declined to answer.
NAFTA negotiations continue in Washington as Friday goal nears
Trudeau's negotiators pushed back strongly against this at first but has been more quiet lately. President, that now Canada will also be able to be incorporated in all this".
Sen. Lindsey Graham brought up the Trump administration's "zero-tolerance" policy that resulted in separated families when asked if there is any substantive basis for firing Attorney General Jeff Sessions.
After Mr Sessions' recusal, Deputy Attorney-General Rod Rosenstein appointed Special Counsel Robert Mueller to lead the probe, which Mr Trump has called a "witch hunt". "I view it as an illegal investigation". He charged that Mueller's probe was "highly conflicted" and that "real corruption goes untouched".
Some Republican lawmakers have predicted Trump would replace Sessions after midterm elections in November, in which Republicans are seeking to maintain control of both the House of Representatives and Senate.
"The president's entitled to an attorney general he has faith in, somebody that's qualified for the job, and I think there will come a time, sooner rather than later, where it will be time to have a new face and a fresh voice at the Department of Justice", Graham said.