since 2000, links to votes and letter by Senator Feingold at below link.
http://www.cipcol.org/?m=20041026Main page
http://www.ciponline.org/colombia/index.htm"...A look at votes in Congress makes clear a trend of steadily increasing skepticism about U.S. policy toward Colombia...
The Senate has not considered Colombia as often, and is more difficult to measure. During the 2000 debate on the first Plan Colombia appropriation, this body did indeed act in a bipartisan fashion, rejecting amendments by Democrat Paul Wellstone (11 to 89) and Republican Slade Gorton (19 to 79) seeking to cut military assistance...
The Senate has not considered Colombia as often, and is more difficult to measure. During the 2000 debate on the first Plan Colombia appropriation, this body did indeed act in a bipartisan fashion, rejecting amendments by Democrat Paul Wellstone (11 to 89) and Republican Slade Gorton (19 to 79) seeking to cut military assistance.
Though the Senate hardly considered Colombia over the next few years, 2004 brought signs that bipartisan support for Plan Colombia has eroded. In July, Sen. Russell Feingold circulated a letter to President Uribe expressing several human rights concerns; while the letter gained the signatures of 23 Democratic senators (including Kerry and Edwards), not a single Republican would sign onto it, despite activists’ strenuous efforts to make the letter a bipartisan document..."