Freight train cars sit in a Norfolk Southern rail yard in Atlanta. Business groups are increasing the pressure on lawmakers to intervene and block a railroad strike before next month’s deadline in the stalled contract talks. A coalition of more than 400 business groups sent a letter to congressional leaders Monday, urging them to step in because of fears about the devastating potential impact of a strike. _AP PHOTO/DANNY KARNIK, FILE
By Josh Funk Associated Press OMAHA, Neb. (AP) — Business groups are increasing the pressure on lawmakers to intervene and block a railroad strike before…