Former International Monetary Fund head Rodrigo Rato appeared before a judge Tuesday probing corruption allegations at Spanish bank Banesto whilst he was economy minister, Spanish media said. Rato, his brother Ramon, the head of Santander bank Emilio Botin and 12 others are being investigated in connection with the 1999 purchase by Banesto of 45.3 percent of the Aguas de Fuensanta water utility company from the Rato family. Full Story