Sprint has just announced that it has entered into a "definitive agreement" with Clearwire to buy the 50-percent stake in the company it doesn't already own in a transaction worth around $2.2 billion. Thanks to the increased value of Clearwire's stock when the rumors of the deal broke, House Hesse has had to pay an extra $100 million on its first formal offer. While the deal is contingent upon the legal nuts-and-bolts of Sprint's deal with Softbank working out, the Japanese carrier has given its blessing to the deal. Big Yellow has also garnered the requis
