AFP: Hurricane Karl roared ashore on Mexico’s flood-hit east coast Friday, just four miles (seven kilometers) from a closed nuclear power station bringing heavy winds and rains. The first major hurricane of the Atlantic season to hit land slightly weakened, to a category two on the five point Saffir-Simpson scale, as it moved inland, the US National Hurricane center said in its latest advisory. “Continued weakening is expected as the center of Karl moves farther inland,” it …