Why mail-in ballots are at the epicentre of an electoral storm barrelling toward the U.S.

The United States is lumbering toward a perfect electoral storm that could test the foundations of a democracy already battered by partisan loathing. At the eye of this storm: mail-in ballots

source https://www.cbc.ca/news/world/mail-ballots-u-s-election-1.5677465?cmp=rss