DOJ is escalating its legal assault against the health care law, arguing the whole statute is unconstitutional.

The Trump administration wants the federal courts to overturn the Affordable Care Act in its entirety, an escalation of its legal assault against the health care law.

The Justice Department said in a brief filed on Monday that the administration supports a recent district court decision that invalidated all of Obamacare. So it is now the official position of President Trump’s administration that all of the ACA — the private insurance markets that cover 15 million Americans, the Medicaid expansion that covers another 15 million, and the protections for people with preexisting conditions and other regulations — should be nullified.

When combined with Trump’s endorsement of the various Republican legislative plans to repeal and replace Obamacare and other regulatory actions pursued by his subordinates, the Trump administration’s clear, consistent and unequivocal position is that millions of people should lose their health insurance and that people should not be protected from discrimination based on their medical history.

The Justice Department had previously said that only the ACA’s prohibition on health insurers denying people coverage or charging people higher premiums based on their medical history should fall in the lawsuit being brought by 20 Republican-led states. But their latest brief removed that subtlety, saying that the entire law should go...