The News of TodayXM Satellite Radio plans senior notes offeringForbesAP , 10.13.10, 02:07 PM EDT NEW YORK — XM Satellite Radio Inc. plans to offer up to $550 million of senior notes due 2018. The Sirius XM Radio Inc. ( SIRI …XM Satellite Radio Reports Offering of $550M Sr Notes Due 2018BloombergStates probe Sirius XM for consumer practicesReutersOfficials question Sirius XM's sales practicesUSA TodayCNNMoney -The News of Today -CNET (blog)all 142 news articles »