WATERLOO - Research In Motion Limited (RIM) said that it is being held back from bidding on bankrupt Nortel Networks’ wireless business because it has expressed interest in buying some of its other assets as well.RIM said that it could be qualified as a bidder only if it promised not to submit offers for other Nortel assets for a period of one year. Nortel's code division multiple access (CDMA) business and long term evolution (LTE) businesses are part of a bankruptcy auction scheduled for July 24, 2009. Nortel and its advisors were “fully aware” of RIM’s desire to purchase other...