Nokia's newly appointed Mobile Solutions chief, Anssi Vanjoki, has penned an impassioned post over at Nokia Conversations today where he sets out his perspective on the company's current position and future challenges. Describing the Finnish phone maker as "a challenger now," rather than an incumbent, Vanjoki wants to introduce a "laser focus on quality," with his two central aims being to reclaim Nokia's reputation for high-end devices and to re-energize a flagging fan base. He specifically namedrops Ricky Cadden -- who yesterday shut d