Trust. It's a valuable commodity. But serial twitter-sleuth evleaks has done enough to earn ours for this latest leak. A Windows Phone 8 device -- apparently known internally as the Tiara -- which will be one of the first to run the next revision of the mobile operating system (GDR2). With a reported 4.3-inch display, a 1.2GHz Snapdragon processor, 1.6-megapixel front-facing camera and 1GB of RAM, it bears more than a resemblance to another recent addition to the HTC fold. If you had hopes that it might also borrow from the firm's