After a day of silence, finally word from the union whose strikes last week prompted Hostess to announce it would liquidate the company. The union wasn't just giving the media the cold shoulder. Hostess CEO Gregory Rayburn told CNBC this morning that the union had stopped returning his calls a month ago. But this afternoon, the union had a lot to say. This from Frank Hurt, president of the 80,000-worker Bakery, Confectionery, Tobacco Workers and Grain Millers International Union: “Hostess’…