He's just got this huge pile of whatever substance (adderal?) in front of him and his sister just eloped with his friend...he's got troubles because Sosa is angry he failed to kill the guy who testified at the UN.
Or,
He's got this cocktail of drugs administered to him in the bunker by his doctor to keep him going, and his field marshals keep telling him the war is going badly and so he needs to rail about his old political adversaries.
Or,
[insert some Hunter S. Thompson-esq ref to Nixon in the final days of Aug 1974]
He's got nothing left to gild, destroy, or to make shabbier so he's got to go against Obama.