Not long ago, Canadian telecom stocks were the definition of boring in the best possible way, and TELUS (TSX:T) was right at the top of that list. Today, the picture looks very different. Trading near $16.50, TELUS has lost roughly half its value from the April 2022 peak of nearly $34. However, the pullback has meant that the blue-chip dividend stock offers you a tasty 10% yield. The question every dividend investor in Canada is asking right now…