“ ‘While parents may be concerned about e-cigarettes, the people who genuinely care about vaping as a voting issue so far outweighs the number of people Trump needs to win in 2020 that they are royally screwing themselves by doing this.’ ”

That’s Paul Blair, the director of strategic initiatives at Americans for Tax Reform, explaining to Axios why President Trump could be in real trouble if he follows through with a ban on flavored e-cigarettes.

Axios used this chart to show adult vapers in critical battleground states could make all the difference when the votes are tallied: