The deranged Supreme Court case that threatens US democracy, Moore v. Harper - Vox

Under the strongest form of this doctrine, members of each state's legislative branch have unchecked authority to decide how elections for Congress and the presidency will be conducted in their state — indeed, a state legislature could potentially pass a law canceling the presidential election in that state and awarding its electoral votes to Donald Trump. Any state constitutional provisions that protect the right to vote, that limit gerrymandering, or that otherwise constrain lawmakers' ability to skew elections would cease to function. State governors would lose their ability to veto laws impacting federal elections. And state courts would lose their authority to strike down these laws...

https://www.vox.com/policy-and-politics/2022/12/4/23481063/supreme-court-moore-harper-independent-state-legislature-doctrine-elections