Kate Pickert at Time says:

The cost of expanding coverage under the Affordable Care Act will be billions less than previously expected, according to a report released Monday.

An analysis from the non-partisan Congressional Budget Office found that the coverage provisions of the ACA, also known as Obamacare, will cost the federal government $104 billion fewer over 10 years than the CBO predicted back in February.

These savings come thanks to years of futile Republican efforts to repeal Obamacare. Oh, wait. No, no they don't. These saving come in spite of years of futile Republican efforts to repeal Obamacare. Republican opposition actually had nothing to do with any of this.