HOUSE OVERSIGHT 029818 sanctions was passed by Congress and signed into law by President Obama. The complex set of new measures targets key industrial sectors, including shipping and imports of products such as aluminum, steel and coal, and seeks to block Iran from using barter commodities such as oil and gold to pay for imports. The Washington Post paraphrased U.S. officials as saying that, "the new policies are closer to a true trade embargo, designed to systematically attack and undercut Iran's major financial pillars and threaten the country with economic collapse." Obama signed the National Defense Authorization Act (NDAA) that contained the sanctions provisions despite having hinted earlier that he might veto the NDAA over a host of measures contained in the bill. If the Obama administration believes that ever-tougher sanctions will cause Iran to cave in at the talks, it's likely that they are badly misreading Iranian politics. For many observers, however, and for Iran, too, the nomination of Hagel for secretary of defense may be a sign that the White House is beginning to realize that sanctions, and threats of military action, won't force Iran's hand. As has been widely reported, hawks, neoconservatives, and members of the pro-Israel lobby in Washington have