Pandora, the online streaming-music service, is announcing fourth-quarter and full-year 2012 earnings today at 4:45 Eastern/1:45 Pacific. There are three reasons you might want to listen in. First, the company has hired a new CFO. Former Omniture CFO Mike Herring replaced Steve Cakebread, who'd previously announced plans to leave the company, last month. This will be his debut earnings call and hence a chance for investors to take his measure. Second, Wall Street is watching the effect of a listening cap on Pandora's bottom line. Mobile users now must pay a fee or subscribe if ... Read More