Zap2It's TV Show Rehab: 12 steps to a better 'Desperate Housewives'

Lynette and Tom are having kids again and we just can't wait to watch our favorite housewife revert back to the harried working mom. Couldn't we have gotten Lynette out of the house in her successful VP job and left Tom in school and developed drama around that? Why did they feel the need to introduce more babies?