CNBC's Maria Bartiromo interviewed Liberty Media's president and CEO Greg Maffei yesterday to gather some insight into the decision to invest in Sirius XM Radio Inc. and to learn about the company's future prospects. Maffei sounds highly optimistic (he sort of has to after dumping $530 million into ...

With Sirius XM Radio, Inc. (NASDAQ: SIRI) shares hovering around 13 cents mid-morning, the pioneering and sole satellite radio company is probably savoring its investment this week by John Malone's Liberty Media Corp. (NYSE: LINTA). Instead of filing for bankruptcy protection or possibly folding alt...