SHE'S JUST LIKE THE REST OF US : overstuffed purse, always losing keys, high-maintenance hair, snack guilt after an evening binge. But she's something different, too. Hoda Kotb grew up in two cultures--one where summers meant playing at the foot of the ancient pyramids and another where she had to meet her junior prom date at the local 7-Eleven to spare them both the wrath of her conservative Egyptian parents. She's traveled the globe for network...