While there's still no end in sight to the T-Mobile/Sprint merger saga that started with a , the nation's third and fourth-largest wireless service providers managed to move one big step closer to a happy conclusion a couple of months ago. 

That's when the set to reshape the entire industry, reducing the number of major mobile network operators from four to three and potentially spawning a fierce adversary for market leaders Verizon and AT&T. 

But even though the FCC had 18 months to carefully consider all the ramifications of its , two top lawmakers ...