Atlanta, Portland and Las Vegas have been lit with Clearwire's CLEAR WiMAX for varying lengths of time now, but throw a Sprint label on there and you've got a whole new party to attend. In what's easily one of the stranger partner relationships in the business world today, Sprint has just announced that it's reselling 4G services in a trio of markets that have actually had the service for months / weeks / days now. So yeah, nothing really new here -- it's the same 4G waves that Cl