Mass's Journal - Feingold could envision, Clinton, Obama, or McCain in the White House.

Interestingly, he does not list Edwards, but says McCain in OK!

http://www.wiscnews.com/pdr/news/266652

Sen. Russ Feingold said Thursday he is leaning toward not endorsing any of the candidates for president before Wisconsin's Feb. 19 primary and might not do so before the Democratic National Convention.

"I'm torn," Feingold said in a visit with the Daily Register between rounds of listening sessions with area constituents. "I'm having trouble with this one."

Feingold said he is weighing issues of experience vs. change. He said he can envision Democrats Hillary Clinton and Barack Obama as well as Republican John McCain in the White House.
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Here is what he has to say about his motivation, and later in the article, he says he wants bipartisanship.

I have a great respect for Feingold, a good Democrat, but I wonder why he quoted McCain as somebody he could see. Is he discounting him?

Feingold said the debate he is having over endorsing a candidate comes from his belief that most voters don't care who he supports and that no candidate has both an extensive knowledge of government but a willingness to take the country in a different direction.

"There's a real genuine split," he said. "It's like that saying, if you could combine the best of two personalities ... "