AT&T to be 'premier' Windows Phone 7 vendor

Say all you want about whether Windows Phone 7 (WP7) will succeed, but AT&T continues to back the platform wholeheartedly after endorsing it -- and Microsoft 's mobile efforts -- repeatedly over the last year. "We'll be the premier carrier for Windows Phone 7," a spokeswoman said Monday. "We haven't given guidance on timing."PLANAR SYSTEMS PEROT SYSTEMS PALM