Speaking at a press conference in Ise City, Japan on Thursday, President Obama said that Republican presidential nominee Donald Trump was causing a lot of consternation among world leaders. Answering a question about Trump at the G-7 Summit, Obama said many international leaders were “surprised” by some of the billionaire’s comments in recent months. “They’re rattled by it,” Obama said, “and for good reason. Because a lot of the proposals that he’s made display either ignorance of world affairs or a cavalier attitude or an interest in getting tweets and headlines instead of actually thinking through what it is...