David Boujard has almost his entire mail-in ballot completed. But the bubble under “US President” remains blank. This final decision, from the 28-year-old entrepreneur, carries more importance than that of most other American voters.
Boujard, who is black, lives in Northampton County, Pennsylvania — a bellwether in national politics. A local newspaper examined a century’s worth of elections to find that Northampton has backed the winning presidential candidate in all but three…