Adding to Donald Trump’s cash crunch woes as he scrambles to find cash to cover the half billion dollars he owes in civil damages is the specter of throwing his existing loans into default. In an analysis into the multiple paths the former president could take to pay what he owes, the Atlantic’s David Graham claimed Trump is hemmed in by a myriad of financial complications — with the clock ticking and interest piling up. He’s also facing the potential for asset forfeiture or a fire sale of his business empire if he can’t find the money. Trump owes $454 million — and interest that’s being added…