Although Nokia still hopes Windows Phone will round out a "three-horse race" with iOS and Android, it's said to be cooking up an entirely new operating system aimed at lower-end handsets. According to the Wall Street Journal, the OS (codenamed "Meltemi") is meant to cement Nokia's top dog status in emerging markets, where feature phones remain king. Makes sense: low-end phones accounted for 47 percent of the company's device-and-services earnings in the second quarter. We're not sure if the adage "