Ninety state officials urged President Trump and Congress to tackle the national debt crisis in a Thursday letter – warning of “a painful age of reckoning” if nothing is done, The Post has learned. State treasurers and lawmakers from states including Arizona, Pennsylvania and Texas, as well as Indiana Gov. Mike Braun, noted in the missive that national debt already tops $38 trillion .  The letter demanded that Trump and members of Congress approve a plan by July 4, 2026 – the nation’s 250th