No, states should not be able to void elections and assign electors Presidential Electors.
https://www.democracythroughthelookin...
In their November 2020 edition, The Atlantic suggests that GOP controlled legislatures can void the state election results in favor of Biden and assign their presidential electors to Donald Trump. While they can try that, constitutional law professor Lawrence Lessig argues the Supreme Court will rule agains that.
https://www.theatlantic.com/magazine/...