This one's been a long time in the making, but the deal is finally done. Clearwire and Sprint Nextel have gleefully announced that the transaction to combine their next-generation wireless internet businesses is complete, and beers are on the two of 'em this evening. On the real, the agreement dictates that Sprint hand over all of its 2.5GHz spectrum and WiMAX-related assets (including XOHM) to Clearwire; additionally, Clearwire has received a $3.2 billion cash infusion from Comcast, Intel, Time Warner Cable, Google and Bright House Networks. Details beyond tha