zero-sum

Professors never got it through his head:
good deals are never wholly zero-sum.
if contractors were always in the red,
to work for Trump a second time'd be dumb.
What Adam Smith knew, Trump cannot forget
because he never learned it at U. Penn
strategically defaulting on his debt
he trusts that banks will lend to him, again.
Forever ditching projects as they'd fail,
Trump's never really had to act his age
each week, one more advisor heads to jail
as Mueller marches towards his final stage.
The Wharton faculty learned a grim tale
of costs for passing oafs who'd earned a FAIL