By Andrés CalaAugust 8, 2007George W. Bush’s strategy of countering Venezuela’s leftist president Hugo Chávez by strengthening ties to Colombia’s rightist government has been undercut by fresh evidence of high-level drug corruption and human rights violations implicating President Alvaro Uribe’s inner circle.These new allegations about Colombia’s narco-politics have tarnished Uribe’s reputation just as Bush has [...]