When the Obama administration announced it was delaying the mandate for businesses to comply with its health insurance mandate, there were some that said it was brazenly illegal.
Once the executive branch starts deciding it can pick and choose which laws to follow, though, it's a slippery slope that can go far beyond health care. At the Web site of the Council on Foreign Relations, Elliott Abrams writes about an example involving the Foreign Assistance Act, which authorizes American aid to Egypt.