I'd guess he was telling the truth here, despite being told, he was not aware of it.
Mom has dementia of the Alzheimer's type. Many, many times she is not aware of something that just happened or something she's been told about several times.
In a just world, he'd be out to pasture (25th Amendment), Kamala would be disqualified (not an NBC, just an anchor baby, no citizen parents) and the Speaker of the house would rise to her rightful place on the throne...
—”I’d guess he was telling the truth here”
Slow Jamoke is unsure what he ate for breakfast.