At Labor Non-Partisan League Convention, Washington, D.C. August 1. As the labor non-partisan league opened its first convention in Washington today, John L. Lewis, President of the mine workers and chairman of the board of the league, held confab after confab with union leaders seeking new ideas for their drive to reelect President Roosevelt Left to right: David Dubinsky; head of the Lady Garment Worker; John L. Lewis; and Luigi Luig Antonini, head of New York Local of Italian Dress Makers