by Sonia Avalos Agence France Presse MAR DEL PLATA, Argentine (AFP) — A multinational armada of aircraft and vessels battled high winds and big seas Sunday as they intensified their search for a missing Argentine submarine, after apparent attempted distress calls raised hopes the 44 crew members may still be alive. There has been no contact with the ARA San Juan, a German-built diesel-electric sub, since early Wednesday. An air and sea search is underway […]