In order to secure a victory, we need to win in the Midwest. When I do a map, Republicans have 248 votes without AZ, NH, MN, MI, WI and PA.
2020 Presidential Election Interactive Map
Yesterday's results showed that we will continue to win in the suburbs, and the VA is solidly blue (as it has been).
This is essentially the 2016 map. Trump needs to hold FL and NC, and then win a couple of the real swing states.
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I will state the obvious. Democrats have a better chance to win the MidWest with Biden, Buddigieg or Klubuchar.
For those who want foundational changes with Warren (the former Republican and Harvard professor from MA), I would point out that we will likely lose many of the suburban voters. Many folks don't want to have the government take away their health insurance and run healthcare. Many don't want a fight against the "rich". Many of the suburban voters are NOT poor or Middle Class. If they are not well to do, they want to be well to do. Attacking the rich just won't win electoral votes.