U.S. President Barack Obama says he wants to test whether Iran’s new president, Hassan Rouhani, is serious when he says he wants to open a dialogue with the United States. In an interview with Spanish-language network Telemundo on Tuesday, Obama said, "There is an opportunity here for diplomacy, and I hope the Iranians take advantage of it." "There are indications that Rouhani, the new president, is somebody who is looking to open dialogue with the West and with the United States, in a way that we haven't seen in the past. And so we should test it," Obama said in...