NPR News Now covers the Trump administration's Supreme Court bid to halt California's processing of suspected non-citizen ballots and a judge's rejection of efforts to block Alaska's Senate certification. The broadcast also details a heated Michigan midterm race following a Democratic defection, Iran's call for energy conservation amid infrastructure damage, and a Massachusetts mother's double jeopardy challenge. Additionally, the segment highlights new research on spider REM sleep and the homecoming of British adventurer Carl Bushby after his 28-year global walk.