In about a week, we will be heading to Sanibel, Florida to drop in on my mother-in-law, Barbara. She has been visiting Sanibel for over 20 years, and she hooked us on it when our two kids were small. We've gone every year since Lena was three or four and had her first run-in with fire ants. Lena's eighteen now (how did that happen?), and this will be her last visit before heading off to college next year. Barbara's birthday is just two days after mine, so we not only share