Biden said in the debate that he and Obama voted differently
He was referring to something other than the bailout / tax-extender votes of October 1st.
21:18: Dodd substitute amendment (bailout plus energy tax extenders) was PASSED, on a 74-25 vote (predicted 79-19) (NAY votes: Allard, Barrasso, Brownback, Bunning, Cantwell, Cochran, Crapo, DeMint, Dole, Dorgan, Enzi, Feingold, Inhofe, Johnson, Landrieu, Nelson (FL), Roberts, Sanders, Sessions, Shelby, Stabenow, Tester, Vitter, Wicker, Wyden)
21:41: Final passage of H.R.1424 (bailout plus energy tax extenders) PASSED, on a 74-25 vote (NAY votes: Allard, Barrasso, Brownback, Bunning, Cantwell, Cochran, Crapo, DeMint, Dole, Dorgan, Enzi, Feingold, Inhofe, Johnson, Landrieu, Nelson (FL), Roberts, Sanders, Sessions, Shelby, Stabenow, Tester, Vitter, Wicker, Wyden)