TORONTO - Rogers Wireless customers can now find their wireless handsets work in 200 countries. The company reached this 200-country milestone on July 24th, with a newly-signed roaming agreement between Rogers Wireless and the mobile operator, Comium Liberia Inc. in the African nation of Liberia. Rogers has over 500 roaming partners worldwide. As Canada's only GSM carrier, Rogers is leading the way among Canadian wireless carriers when it comes to offering the most international voice and data roaming destinations with a selection of 52 world phones. (With the notable exception of Apple's iPhone, where rumour-mongers are predicting Rogers will have...