Can voting by mail save the November election?

Can voting by mail save the November election?

“We need emergency action now,” said Richard L. Hasen [Chancellor’s Professor], an election law scholar at UC Irvine who advocates a temporary federal requirement that every voter in America have access to a mail-in ballot for the 2020 election. “We cannot postpone the election because there are places under lockdown. We need to have a Plan B ready.”