An early photo of two of Sheila Jennings’ childrenBy Louise KinrossAs the mom of a son who had severe asthma and a life-threatening immune condition, Sheila Jennings learned firsthand that it was impossible to work outside the home and tend to her child with complex health needs. “My interest in the support rights of mothers of severely disabled children began after I got divorced and set up my law practice while caring for three children,” she says. “My son missed…