After negotiations that extended beyond their original deadlines, Iran and six world powers finally announced a deal … to begin drafting the text of an actual deal to limit Iran’s nuclear development in exchange for the lifting of economic sanctions. Only hours before the framework was agreed upon, Iran’s Foreign Minister Javad Zarif told reporters that “We have a very serious problem of confidence.” But later in the day Zarif, John Kerry and other world leaders tweeted that those issues had been resolved. So Iran and the U.S. come to a historic agreement and top leaders announce that on Twitter. The latter is as remarkable a shift as the former.

+ Vox has a simple guide to the deal. And you can also read the fact sheet issued by the State Department: Parameters of the plan on Iran nuclear program.

+ The negotiations with Iran are part of what could really be called the Obama Doctrine; the idea that major world issues can be resolved by talking to one’s adversaries. It’s a philosophy about which one could rightfully feel hopeful or cynical. Or even a little of both. From WaPo: Why Obama chose the Iran talks to take one of his presidency’s biggest risks.