Former Sen. Tom CoburnThomas (Tom) Allen CoburnBiden and AOC's reckless spending plans are a threat to the planet NSF funding choice: Move forward or fall behind DHS establishes domestic terror unit within its intelligence office MORE (R-Okla.) says he hasn’t seen enough “self-discipline” and “control over his ego” from presumptive GOP presidential nominee Donald TrumpDonald TrumpKinzinger says Trump 'winning' because so many Republicans 'have remained silent' Our remote warfare counterterrorism strategy is more risk than reward Far-right rally draws small crowd, large police presence at Capitol 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.