Wall Street Journal: Grassy Point, British Columbia is the once and future springboard for Western Canadas dream of becoming one of Asias largest gas suppliers. Thirty years ago, the undeveloped nub of land jutting into the northern Pacific Ocean was heralded as the site of a multi-billion dollar liquefied natural gas export terminal. Those plans never materialized, but today the same spot has attracted the likes of ExxonMobil Corp.XOM +0.21%, one of four business groups that have made an expression of interest...