So that’s why they decided to extend the enrollment deadline past March 31st for people who are already “waiting in line†or whatever. Megan McArdle was wondering about that yesterday: Why, having hit five million enrollments just 10 days ago and with the website working reasonably well, would the White House suddenly feel obliged to give people even more time? What do they gain from it? I think this is the answer. They’re now within striking distance of hitting their original target of seven million for the first year, averaging fully 100,000 new sign-ups per day over the last 10...