When your core business is as wrapped up in emerging markets as Nokia's is, then you'd better know a little something about KIRFs -- those cheap handset clones that our Chinese friends can often stamp out faster than the time it takes for Nokia to ship a handset after its announcement. Nokia executive board member, Esko Aho, says that one out of every five cellphones now sold around the world (primarily in Asia, Latin America, and some parts of Europe) is an illegal or unlicensed clone. We've certainly seen more than our share when