NEW YORK – As the only GSM wireless operator in Canada, Rogers Wireless will face a dilemma – and opportunity – when new wireless companies launch in this country – likely in 2009. While Bell Canada and Telus and a few other large North American wireless companies use CDMA-driven networks and handsets, GSM has become the de facto worldwide wireless standard technology, so it is highly probable that any new wireless company that comes to market here will choose to be a GSM player, too. That means such newbies will use the new mandated roaming rules we reported on last...