President Donald Trump and Gov. Gavin Newsom both say they’re waging war on hospice fraud, or networks of sham businesses billing for nonexistent end-of-life care. But what might be common ground for the rivals has turned into the latest bout of one-upmanship between the state and the federal government.

Trump announced a fraud task force and claimed in March, without evidence or specifics, that fraud in California is “10 times worse” than any other state. California officials have responded to similar accusations from Trump over the course of his second term by denying Trump’s claims as outright lies — like when the president attempted to freeze billions in child welfare funds over unspecified “massive fraud.” But Newsom and others have…