VANCOUVER – Manual J. Saperstein, founder of Whistler Cable, died on Saturday at Vancouver General Hospital due to complications following heart surgery. Despite the relative size (about 8,000 subscribers or so) and isolation of his cable company, Saperstein was known across Canada for his technical know-how and willingness to take risks. It's not well known that Whistler Cable was one of the very first to experiment with voice over Internet protocol telephony in 2005. According to former Delta Cable president John Thomas, Saperstein was "the 'engineering consultant to Western Cable interests', and largely responsible for the establishment, from an engineering...