By R.B. FALLSTROM Mats Sundin scored twice and Jannik Hansen's rebound goal with 4:42 to go capped the Vancouver Canucks' rally from a pair of two-goal deficits in a 6-4 victory over the St. Louis Blues on Tuesday night.Andy McDonald had a goal and an assist in his first game back after missing 36 due to a broken left ankle for the Blues, who also got three assists from Patrik Berglund.