...the workers [at Chef Solutions factory that makes & freezes dough for bread baked at Subway & Shaw's] have taken their complaint national, distributing leaflets at the ticket counters of Lufthansa airlines, the factory's parent company [until May 2004]...While Chef Solutions doesn't admit to wrongdoing, spokeswoman Trish Beck, senior vice president for human resources, does say, "We have been dealing with some legacy issues and problems and allegations. It is a new day in North Haven"...But some workers say intimidation and labor-law violations continue, including threats against unionizing.