The common thread with all the various Republican policy suggestions being floated is they're all designed to reduce spending or raise revenue without explicitly making budget cuts or raising tax rates.
Capping deductions, taxing all the income of high earners at the top rate, means-testing programs, raising the eligibility age, "reformulating" COLA increases in SS, etc. Every one of those means somebody will pay more taxes or have their benefits cut, but the policies are all designed in a way that dances around that fact.
Whatever happened to all that "hard truths" crap? Oops, so much time spent acting like we could balance the budget while keeping taxes low, continuing to spend on the military, and protect Medicare from any cost-saving measures! Now they have to do the math and can't pretend that cutting earmarks and foreign aid will bridge the gap. Jesus.