Jacob J. Lew: “Treasury has led the administration's efforts in isolating Iran from the global economy and cutting off vital sources of…”

If we do not have the resources to hire the enforcement officers that we need, the tax gap will only grow.

I think right now, when you look at what our debt is, our deficit, annual deficit, is essentially interest on the debt.

I don't think defaulting on payments to veterans is any better than defaulting on payments to foreign bond holders.

I think that one of the reasons tax reform is so hard to do is that it does impose burdens to close loopholes.