Location of old Genuardi’s on U.S. 1 in Longwood, opens to lines and giveaways By Mike McGann, Editor, The Times Shoppers lineup for the grand opening of the new Giant supermarket in Longwood, Sunday. EAST MARLBOROUGH — You’d think it would take a lot to get people up and out on sultry, Sunday morning in July, but based on the line that queued up in front of the new Giant supermarket before...