The president who promised us that his health care legislation would allow us to keep our insurance plans and doctors now insists that his agreement with Iran will not allow it to keep a nuclear weapons program. What the two pledges have in common is that they are both lies. No matter how many times such statements are repeated and seconded by President Obama’s partisans and the press, they amount to serial, intentional and potentially fatal fraud. Now, some Americans may still trust President Obama, or at least be inclined to give his deal a chance. But that means buying...