a weed-killing chemical has been detected in popular children s breakfast cereals including cheerios and lucky charms. and a separate report published just yesterday found many popular baby foods contain heavy metals that can cause long lasting health problems. so what do you, as the parents, need to know to protect your little ones, child nutritional expert jill castle is here to weigh in on this. jill, thank you for being with us. thanks for having me. ainsley: what do parents need to know. what they need to know is that some of these elements that we are finding in food, we are finding, you know, just newly finding this stuff out. and children are, you know, precious. their bodies are smaller. they are absorbing potentially some of these additional items in food. and that s very scary for parents. but, one of the things that i think is really important for parents to know is that we have to feed our kids and so we have to feed them with responsibility and with knowledge. and whe