HUNTSVILLE, AL (WAFF)- The American Red Cross has put out an urgent call for blood donations in the Valley. An urgent need for blood has been announced by the American Red Cross. All blood types are needed, and officials say all it takes is fifteen minutes of your time. The Red Cross Bloodmobile will be at the western side of the Madison County Courthouse this Tuesday from 10:30 a.m. to 2:30 p.m...