NEW YORK - The CEO of bankrupt Hostess Brands Inc. on Aug. 20 sent a letter to employees indicating that the company had reached a breakthrough with its largest union regarding modification to the collective bargaining agreement (CBA), which may help pave the way for Hostess to emerge from bankruptcy (In Re: Hostess Brands Inc., No. 12-22052, Chapter 11, S.D. N.Y. Bkcy.).