Growing up on their family farm in downstate Carthage, Debra B. Walker learned from her mother the importance of giving back.Her mother was a Sunday school teacher for 20 years. Walker said she and her siblings were raised with service in mind.Now a Cook County Circuit Court judge, Walker is being recognized with a national lifetime achievement award for philanthropy.Walker is the third person and the first judge to receive the annual National Conference of Bar Foundations’ Excellence Award.The group, an organization …