The Supreme Court decision on Monday barring the counting of mail-in ballots in Wisconsin that arrive after Election Day was not a surprise for many Democrats, who had pressed for it but expected to lose.
But a concurring opinion by Justice Brett M. Kavanaugh set off alarms among civil rights and Democratic Party lawyers, who viewed it as giving public support to President Trump’s arguments that any results counted after Nov. 3 could be riddled with fraudulent votes — an assertion unsupported by the history of elections in the United States.
The decision also unnerved Democrats and local…
