SAN JUAN, Puerto Rico — The strongest hurricane to hit Puerto Rico in over 80 years destroyed hundreds of homes, knocked out power across the entire island and triggered heavy flooding Wednesday in an onslaught that could plunge the U.S. territory deeper into financial crisis.Leaving at least nine people dead in its wake across the Caribbean, Hurricane Maria blew ashore in the morning in the southeast coastal town of Yabucoa as a Category 4 storm with winds of 155 mph (250 [...]