I am, very seriously, considering whether to buy Joanna Gaines?s favorite crossbody bag. I know it?s her favorite because it was labeled as such in the photo that arrived in my inbox last week, courtesy of Magnolia Market?s near-daily email marketing. "Its modern design reflects Joanna?s impeccable taste," reads the website description of the bag?all buttery, distressed leather, dangling against a wall of shiplap. "And it is handmade by women who would otherwise be vulnerable to labor trafficking." All for $160! I pinned it. I put it in my shopping cart. I daydreamed about how good it would look with my Frye ankle boots and skinny jeans when I?m dropping my three-year-old off at daycare, but also if I were to stand, tan and goddess-haired, on the porch of a shabby chic farmhouse and squint into a Texan sunset. The bag sold out in a week; I breathlessly await an email notification about restocking. I do not normally buy products endorsed by celebrities. I live in New York, pronounce "Houston" accordingly, and don?t romanticize Texas. But such is the power of HGTV?s Fixer Upper, the home renovation juggernaut starring Chip and Joanna Gaines. They are now shooting the fourth season of the show, but they?ve quickly become so much more than television hosts. There?s also a book, written with a cowriter and so hotly anticipated that I had to sign a non-disclosure agreement to score one of 100 embargoed advance copies prior to today?s release d...