In this week's Washington Report, David Sanger, chief Washington correspondent for the New York Times, speaks to Kerry Nolan about what Mitt Romney's loss to Newt Gingrich in the South Carolina Republican presidential primary could mean for President Obama's re-election strategy. Then, he weighs in on how a new oil embargo by the European Union is likely to affect Iran. He also discusses whether protesters are likely to take to the streets for this week's one-year anniversary of the Tahrir Square uprising in Cairo, Egypt.