WASHINGTON (AP) — In the weeks before hackers broke into Sony Pictures Entertainment, the studio suffered significant technology outages it blamed on software flaws and incompetent technical staffers who weren't paying attention, even as hackers targeted executives to trick them into revealing their online credentials. Its chief executive was regularly reminded in unsecure emails of his own secret passwords for his and his family's mail, banking, travel and shopping accounts, according to a review of more than 32,000 stolen corporate emails circulating on the Internet. Scrutiny of Sony's stolen computer data hasn't yet revealed exactly how hackers managed to slip inside to steal such an enormous cache, when it happened, who was behind the theft or their motives. But late Wednesday, a U.S.