Former Vice President Joe BidenJoseph (Joe) Robinette BidenBernie Sanders socialism moves to Democratic mainstream Biden: Aretha Franklin was 'part of the soul of the civil rights movement' Biden to Trump: If you think revoking Brennan's clearance will silence him, 'you just don't know the man' MORE on Saturday expressed his concern about the future of leadership in the federal government, saying the burden of leadership now lies at the state level.

"The states are going to have to step up in ways the federal government should be stepping up," Biden said at a campaign event with Virginia gubernatorial candidate Ralph Northam (D).

"The only hope for leadership we have here is at the state level," he added.

Biden's comments come after President Trump struck two major blows to former President Barack ObamaBarack Hussein ObamaThe US must not turn its back on refugees Gorka calls Trump's comments on Mexican immigrants ‘fake news’  The queen, Aretha Franklin, is dead MORE's foreign and domestic policy legacy this week.

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Trump declared Friday that the 2015 Iran nuclear deal brokered by the Obama administration was not in the national security interests of the U.S. The president said he would not certify Tehran's compliance with the deal, though he stopped short of withdrawing from the international accord.

Trump also made his most aggressive move yet on rolling back his predecessor's signature health-care law, with the administration announcing Thursday that it would end disbursements to insurance companies offering ObamaCare plans, known as cost-sharing reduction payments.

The payments are aimed at helping low-income people afford co-pays, deductibles and other out-of-pocket costs associated with health-insurance policies.

Republicans and Democrats at the state level have come out strongly against the move.

Eighteen states and Washington, D.C., filed a lawsuit in federal court in California on Friday to stop the administration from halting the payments, while Democratic leaders called for Congress to quickly move to restore the payments, potentially through must-pass legislation later this year.