Two sailboats carrying humanitarian aid from Mexico to Cuba  finally reached Havana on Saturday after disappearing en route leading to days of searching for the missing vessels . In the Cuban capital, the crew of nine which included a four-year-old boy along with American, French and German citizens appeared to be in good health and spirits. The boats had left Isla Mujeres, in the Mexican state of Quintana Roo, last week and were bound for Havana, carrying the final shipments of Nuestra America