The Manhattan district attorney’s office’s criminal investigation into Donald Trump’s financial dealings has been thrown into disarray following the news Wednesday that the two prosecutors leading the investigation had abruptly resigned. A rough account already seems to have taken shape in the press — two well-respected lawyers in New York’s white-collar legal circles were stymied by a newly elected DA who has been distracted by a barrage of bad press since taking office — but there remain considerable reasons to maintain a healthy degree of caution about this version of events as we get our first glimpses behind the scenes of a very consequential mess.