Trump urged Russian agents to "find" his Democratic rival Hillary Clinton's emails and release them, an unprecedented move by a candidate for president encouraging such a foreign breach. "Russia, if you're listening, I hope you're able to find the 30,000 emails that are missing," the GOP presidential nominee said at a news conference in Miami on Wednesday. "I think you will probably be rewarded mightily by our press." Trump was referring to the ongoing controversy surrounding the private server Clinton used while secretary of state. Separately, the Democratic National Convention in Philadelphia this week was upended by a release of...