Is Sony Ericsson stepping in Motorola's fateful footsteps by pursuing emerging markets with a broader portfolio of less than $100 handsets? The WSJ has a feature based on an interview with Sony Ericsson's CEO Miles Flint regarding the company's plan to market basic mobile phones to emerging markets. Flint says the handset maker has no plans currently to compete against incumbents in the very lowest-cost phones, because maintaining profit margins at that level is difficult. Article (sub. req.)