Obama's Secret Iran Talks: Setting the Stage for a Deal?

President Barack Obama has a personal stake in the outcome of Monday's meeting in Vienna between Western and Iranian nuclear experts on the future of Iran's stockpile of low-enriched uranium. That's because, Administration sources tell TIME, Obama personally weighed in three times during secret, multiparty negotiations with the Iranians over the last four months — in what has become not just a test of Iran's nuclear intentions but also a test of Obama's effort to limit Iran's nuclear ambitions through a combination of sanctions, threats and incentives.

The backroom talks...