Interesting article from CNN. Both Obama and Biden voted in support of Alaska's bridge to nowhere rather than to reappropriate those funds directly to Katrina damage. Here is a quote from the article...
"That is probably the most disturbing element of this and the campaigning on the Bridge to Nowhere," said Bill Allison of the Sunlight Foundation, a taxpayer watchdog group. "Because, yes, they had a chance to vote specifically against the Bridge to Nowhere in Alaska to redirect the money to people, to bridges and infrastructure damaged by Hurricane Katrina going in to New Orleans, and they chose not to."
The full article can be found here...
http://www.cnn.com/2008/POLITICS/09/23/biden.earmarks/index.html