Irma takes dead aim at Florida; 1.4M people ordered to flee

Irma weakened slightly Friday but remained a dangerous and deadly hurricane taking direct aim at Florida, threatening to march along the peninsula's spine and deliver a blow the state hasn't seen in more than a decade.Irma was a Category 4 storm with maximum sustained winds of 150 mph and is forecast to remain at that strength when it comes ashore someplace south of Miami on Sunday. The storm killed at least 20 people in the Caribbean and left thousands homeless as it devastated small islands in