Summer is the season for salads. Usually, I keep it simple: some greens and avocado, but sometimes, I crave something a bit heartier, a bit fancier, a bit more Italian. For those occasions, I serve a salad created by my mother-in-law, Susan, that is so spectacular, it doesn’t even call itself salad. It calls itself panzanella. Oh my, it’s as though I’ve been swept away to the hills of Tuscany….