We're deep into a bona fide bidding war here -- Sprint and Dish are both battling for an approximately 50-percent stake in Clearwire, and as of today, that former contestant's bid makes it the new front runner. To catch you up, last month Dish offered $4.40 per share for Clearwire, following Sprint's offer of $3.40 per share made way back in December. Now, the carri