Senate GOP disputes slow pre-recess agenda.
Delayed tax gap estimates could obscure policy effects.
Blanche rescinds anti-weaponization fund order.
Senate funding patch adds Trump requests and grant limits.
Staff gaps hinder IRS refund reviews.
Senate Finance advances taxpayer service bill.
Wyden seeks amendment on Trump audit protections.
Senate Finance Committee will mark up tax administration bill.
Poll finds GOP tax law has a salience problem.
Ways and Means Chair Smith wants larger passthrough deduction.
