The countryside around Rome, while not quite as picturesque as Tuscany or Umbria, is rich with fascinating destinations for exploration — and eating. This weekend I drove out to visit my friends Jenny and Umberto in Palestrina and was rewarded with an in-depth tour of one of the most densely layered towns in Lazio: from prehistoric settlements (now lost),  alleged Pelasgian roots evidenced by massive walls of opus poligonale,  and most importantly the imposing sanctuary of Fortuna, all …