Dear Ergo, Thank you for being what makes me happy on shopping days, the only thing that makes it possible for poor me in the grocery store at lunchtime with three girls. When Rosebud cries, throws food on the floor bites a tomato begs for granola, jellybeans, anything, I think of you strong and securely holding baby on my back out of the way of the tantrum. When Turtle darts here and there suggesting avacodos, oh mangos! oh juice! and yogurt! and cookies! When banana chips whined about and purchased are rejected pronounced yucky, I think of you, holding my baby on my back out of the way of the frustration. When every flower must be smelled, When huge watermelons must be lifted, When women and old men sigh in exasperation at my darting child 20 times oblivious to anybody's way of passage, I think of you and I am oh so glad because things could be so much worse. You take one of my girls, one load of precious cargo, wrap he...