Starting this month, a Costco has decided to stop accepting returns for a grocery essential, according to an employee for the ... with its return policy. Its website states, "We guarantee your ...

More: Bernie Sanders says Iowa Democratic Party has 'itself to blame' for losing Iowa Caucuses A letter to Costco employees posted on the Teamsters 238 website warned that ... of workers in the state.

A letter to Costco employees posted on the Teamsters 238 website warned that company management ... millions of workers in the state. Costco employee speaks at Bernie Sanders event in Iowa City ...