Even Van Gogh knew---as these gorgeous paintings of Mother Roulin with Her Baby show---that sometimes it's about what's best for the whole family, which involves compromise, and sometimes it's about what's best for the kids. Note the way the mother and baby share prominence in the first portrait and the way the mother fades in the second. In my title, I am quoting Elizabeth Edwards, wife of presidential candidate John Edwards , in her reply to Rebecca Eisenberg's harsh criticism (now edited to reveal a change of mind/heart) of taking their kids on the campaign trail. (You can find some of the original invective quoted on Time Swampland writer Karen Tumulty's blog .) This all came from a New York Times article that described---to my way of thinking and personal experience---what sounds pretty normal, for most parents and kids, but particularly ones in extraordinary circumstances like a parent running for President of the United States. The "logistics...