President Trump "hasn't cooled off on" Deputy Attorney General Rod Rosenstein (who oversees the Mueller investigation) and could still fire him, according to a source close to Trump.

The source gave Axios a behind-the-scenes read on the latest thinking at the White House, which the source said is "in a defensive posture."

"Trump doesn't know exactly what to do with [Rosenstein]. They don't have a clean way to get rid of him. That's the problem."

exactly what to do with [Rosenstein]. They don't have a clean way to get rid of him. That's the problem." But Rosenstein may be "about to be spit-roasted."

may be "about to be spit-roasted." "I do think a case is being built against him [Rosenstein]. That's what Meadows and Jordan are doing." (Reps. Mark Meadows [R-N.C.] and Jim Jordan [R-Ohio], both members of the conservative House Freedom Caucus, met with Rosenstein on Monday to press him on the Russia and Clinton email probes, per the WashPost.)

is being built against him [Rosenstein]. That's what Meadows and Jordan are doing." (Reps. Mark Meadows [R-N.C.] and Jim Jordan [R-Ohio], both members of the conservative House Freedom Caucus, met with Rosenstein on Monday to press him on the Russia and Clinton email probes, per the WashPost.) On the addition of Rudy Giuliani to Trump's legal team: "The way it's been characterized by senior administration officials is that the president is frustrated and casting about. That's typical of him. He's done it before. He's upset, and the way he thinks more will happen is if new people are brought onto the scene."

of Rudy Giuliani to Trump's legal team: "The way it's been characterized by senior administration officials is that the president is frustrated and casting about. That's typical of him. He's done it before. He's upset, and the way he thinks more will happen is if new people are brought onto the scene." "This is all Trump trying to move the ball and he thinks by having substitutions and additional players he'll do that. ... What he really needs is what he's not getting. He needs a lead lawyer who has the backing and resources of a large firm."

A possible White House addition, according to the source: