After more than five months of going it alone, Iran's opposition Green Movement is reaching out to the United States for help. Via public and private channels, the Obama Administration has received several appeals in recent weeks to take a stronger stand against human-rights abuses in Iran, avoid military action and impose more aggressive and rapid-fire sanctions against the Revolutionary Guards and its vast business interests. [snip] Washington has struggled since the disputed June 12 presidential election to figure out how to engage the regime without undermining the opposition. Now it has begun to hear answers from the Green Movement...