GOP faces difficult math on tax reform

A closer look at the math underlying the House Republican tax reform plan shows the difficulty of moving such an ambitious package through Congress, but also that the arithmetic may be easier for Paul Ryan and company in some ways than commonly thought.

The Committee for a Responsible Federal Budget, a nonprofit group that advocates lower deficits, ran through the numbers of the House GOP plan in a new analysis, looking at a few possibilities to determine whether it might lose money and by how much.