
Nate Silver @NateSilver538
That's why I favor simple, age based systems e.g. Tier 1) Age 75+, health care workers, nursing homes, severely immunocompromised Tier 2) Age 65-74 Tier 3) Everyone else Within tiers, reduce queues by creating groups based on randomly chosen month of birth or last digit of SSN. — PolitiTweet.org