California already has vote by mail and a higher than normal share of undocumented immigrants. If this would be a problem nationwide, then there must be evidenc

California already has vote by mail and a higher than normal share of undocumented immigrants. If this would be a problem nationwide, then there must be evidence that it's already a problem in CA (and other vote-by-mail states). I haven't seen any evidence that it's a problem. There's no need to speculate. So no, people shouldn't be concerned. There seems to be precedent for doing it right.