Just five days after Election Day in 2020, a conservative lawyer named Kenneth Chesebro emailed a former judge who was working for the Trump campaign in Wisconsin, James R. Troupis, pitching an idea for how to overturn the results.Through litigation, Mr. Chesebro said, the Trump campaign could allege “various systemic abuses” and, with court proceedings pending, encourage legislatures to appoint “alternative” pro-Trump electors that could be certified instead of the Biden electors chosen by the voters.“At minimum, with such a cloud of confusion, no votes from WI (and perhaps also…