Ihave written this piece f or Slate. It begins:

President Donald Trump’s obsession with mail-in balloting reached the Supreme Court on Monday through a bonkers 5 th Circuit opinion written by Trump appointee (and Trump Supreme Court auditioner ) Andrew Oldham. Disagreeing with plain statutory text, statutory history , Supreme Court precedent, and the practice of many states, Judge Oldham’s opinion held that Mississippi violates federal law when it accepts ballots postmarked by Election Day that arrive within five days of the election. If the Supreme Court upholds the 5 th Circuit in Watson v. Republican National Committee , 29 states and the District of Columbia would have to change their laws to require receipt of virtually all ballots by Election D

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