Two Manhattan District Attorneys who have been investigating Donald Trump’s business practices for several years abruptly resigned on Tuesday, leaving the case against the former president in limbo. Carey R. Dunne and Mark F. Pomerantz submitted their resignations after the new Manhattan district attorney, Alvin Bragg, indicated that he had doubts about moving forward with the case. The issue is whether Trump inflated his net worth to get favorable rates on real estate loans. After a flurry of activity in January at the Lower Manhattan courthouse where the grand jury was sitting, no witnesses have been called in about a...