Uncertain times have Washington families making tough choices—especially when those choices affect children.  Parents are scrambling for new ways to cut back while putting their children's best interest first.When it comes to kids' health, the state should do no less.  For health, little has been more cost effective than childhood immunizations.  As state leaders cope with unprecedented revenue shortfalls, they risk undermining their national leadership on children's health issues by undoing our state's childhood immunization efforts—at the very time we need to increase those efforts.