 NEW YORK--BUSINESS WIRE--Financial guarantor Assured Guaranty Municipal Corp. AGM, a subsidiary of Assured Guaranty Ltd. NYSE:AGO together with its subsidiaries, Assured Guaranty, announced that it has participated privately in support of the U.S. International Development Finance Corporation DFC to guarantee the principal and interest payments on approximately 760 billion Colombian pesos approximately US 209 million of notes indexed to the Unidad de Valor Real, issued today by Pat 