One of the unintended results of the recent parallel efforts of Local 8 of the International Longshore and Warehouse Union and Local 48 of the International Brotherhood of Electrical Workers to drive commercial shipping away from the Port of Portland by fighting over which union's members get to plug and unplug refrigerated freight containers (two jobs total) is that the general public is going to become less inclined to support keeping the bridges on the Columbia and Willamette Rivers high enough to accommodate ocean-going trade -- an attitude, which, if it continues for a while, may make the whole union labor battle moot.