MONTREAL – Canada’s biggest cable companies continue to step up to support Haiti following Tuesday’s earthquake.Cogeco Cable pledged to donate $50,000 to the Red Cross to support the organization's efforts, while Videotron said that it will allow its residential cable telephone subscribers to place calls to Haiti without incurring long-distance charges. It also said that it will credit subscribers with any long-distance charges to Haiti retroactive to January 12, for a period of one month.Quebecor’s TVA Network and Canoe will broadcast a benefit concert live at 9 p.m. ET on January 22 featuring several Québec artists who have expressed their desire to help the...