NPR News Now covers the Trump administration's Supreme Court appeal regarding the USPS's plan to restrict mail-in voting, alongside billionaire Leon Black's lawsuit against the House Oversight Committee over Jeffrey Epstein subpoenas. The episode also reports on a Louisiana court ruling allowing two NFL players to return to college football, the rescue of survivors from Nepal's deadly flash floods, and an ICE officer's court appearance. Additionally, the broadcast details storm damage in Toronto, global stock market gains, and a Planet Money segment on the costs of Medicare for All.