The Congressional Budget Office says repealing the Affordable Care Act would increase the deficit by $230 billion over the coming decade and by a modest amount in the decade after that. The CBO estimate has become the central defense by ACA advocates fighting the upcoming repeal vote in the House.

They might want to re-think their strategy. A close examination of CBO's work and other evidence undercuts this budget-busting argument about repeal and leads to the exact opposite conclusion, which is that repeal is the logical...