Paris AP  —  French authorities announced the discovery Sunday of a body on a beach used as one of the launch points for migrants attempting the perilous sea crossing from northern France to the U.K on flimsy inflatable boats . The prefecture of northern France’s Pas-de-Calais region said the body of a young man, “very likely” a migrant who had attempted the crossing overnight, was found Sunday morning on the long sandy beaches south of the port town of Boulogne-sur-Mer. Attempted crossings and