...most of the irregular payments made into a series of more than 60 Equato-Guinean accounts at Riggs Bank came from...ExxonMobil, Amerada Hess and Marathon..."It is critical to fight corruption in a part of the world with so much abject poverty," [Senator] Levin said..."Neither our companies doing business abroad, nor our banks here at home should be contributing to the corruption problem." [also refers to Riggs Bank & GEOGAM]