spontaneously and autonomously, he's in denial that he can't.

....are the ones listed on his monthly bank statement.

for different reasons, though, the president ought not interfere with an investigation of himself and his cronies and the circumstances of his election.

the "checks and balances" thing is a bit squirrelly these days. the congressional investigation appears to be an attempt to interfere with the mueller investigation, or at least to allow the white house to get early updates and a way to control the spin. so in fact congress is aiding and abetting rather than checking and balancing....

True. I should have said it otherwise.

You pointed what's wrong : he shouldn't interfere in this case.