"Unearthing our History and Forging Our Future:” 4th annual Twin Ports May Day Labor Rally on Saturday, April 27 at the Duluth Labor Temple. Socializing, music and a picnic lunch start at Noon; the formal program is slated from 1-3 pm. The rally will also feature round-table discussions and tabling by organizations. Labor Historian Peter Rachleff and visual artist Carolyn Olson headline the event.