U.S. Constitution, Amendment 14, Section 4:
“The validity of the public debt of the United States, authorized by law, including debts incurred for payments of pensions and bounties in suppressing insurrection or rebellion, shall not be questioned.”
All the current debts were previously authorized and are valid. Therefore they must be paid. Honor the Constitution as first priority. Congress should redefine future debts in a time and manner that does not violate the U.S. Constitution.