Experts and members split on whether OB3 or entitlement growth is driving deficits

A recurring fault line at the roundtable was how much recent legislation — repeatedly called the "1 Big Beautiful Bill" or OB3 — versus long‑running entitlement and interest trends explains the deteriorating fiscal outlook.

Ranking Member Frost argued that OB3 increased the national debt by "at least $4 trillion" and criticized concurrent cuts to Medicaid and other programs. Mike Konsel called OB3 a "generational mistake" that shifts burden to lower‑income households and emphasized the role of tariffs and regulatory uncertainty in reducing purchasing power.

Several witnesses pushed back on treating OB3 as a simple, singular cause. Dr. Rao and others noted the uncertainty in CBO dynamic scoring and debt‑sensitivity assumptions, arguing that the bill's long‑run effect depends on growth responses and interest‑rate feedbacks. Dr. Rao suggested that some CBO assumptions on debt sensitivity are optimistic and that higher interest rates could magnify interest‑service costs.

Panelists converged on practical steps rather than a single attribution: tighten IRS enforcement to reduce a multihundred‑billion annual tax gap, simplify the tax code to limit avoidance opportunities, and pursue targeted spending reforms in mandatory programs. Witnesses urged public education to build political consensus before large, politically painful reforms can be sustained.

The subcommittee did not vote on or approve any legislative changes in the roundtable. The session produced a record of contested claims and several technical suggestions for oversight: an enforcement build‑out at the IRS, tax‑code simplification, and carefully designed entitlement reforms sequenced with political outreach.