The boards of T-Mobile and Sprint have put the finishing touches on a massive merger agreement that values the combined company at $146 billion. T-Mobile USA chief executive officer John Legere made the announcement by tweeting a seven-minute video breaking down the merger, also including a link to a website further explaining the combination. Legere will be CEO of the newly combined entity, will keep the T-Mobile name, and have headquarters located in both Bellevue, Wash. and Overland Park, Kan. The deal, which will combine the third- and fourth-largest US wireless carriers, is expected to come under serious ... (full story)