“But that aside, Obamacare’s fiscal failure comes down to something a lot more basic: Government agencies nearly always overestimate the revenue generated from tax increases, and nearly always underestimate the new spending caused by new entitlements. Americans are a lot smarter than they look from inside the Beltway, and they modify their behavior to avoid new taxes and obtain new largesse. Federal bureaucrats may be good with calculators, but they’re weak on human nature.”