When the Seahawks face the Minnesota Vikings tonight in their first pre-season game (5:00 p.m. on KONG-TV, 710 AM, 97.3 FM) there will be a number of sub-plots to watch. Tonight marks the first night in nine seasons without Shaun Alexander on the sidelines (or in the game, if the stars were lined up). After cutting Alexander in the off-season, the Hawks are going with a back-field-by-committee approach that has brought real competition to......