Former Sen. Tom CoburnThomas (Tom) Allen CoburnCOVID response shows a way forward on private gun sale checks Inspector general independence must be a bipartisan priority in 2020 Congress must protect federal watchdogs MORE (R-Okla.) says he hasn’t seen enough “self-discipline” and “control over his ego” from presumptive GOP presidential nominee Donald TrumpDonald John TrumpHR McMaster says president's policy to withdraw troops from Afghanistan is 'unwise' Cast of 'Parks and Rec' reunite for virtual town hall to address Wisconsin voters Biden says Trump should step down over coronavirus response MORE.

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During a Thursday interview on MSNBC’s “Morning Joe,” the former senator was asked whether he had any hope that Trump would become a good leader for the Republican Party.

“Well sure, I have hope. I think everybody can change," Coburn responded.

"The question is, does he have the self-discipline and some control over his ego to be able to say ‘I’m wrong’ every now and then? I haven’t seen that, but that’s not a whole lot different than a whole lot of Washington.”

Coburn, who retired in 2015 after 10 years in the Senate, ruled out an independent presidential bid last month.