That's what the consensus is. I'm skeptical. I think he may have the opposite problem that Hillary Clinton would have.
I don't know much about Evan Bayh, but I've read that he's dull and not very charismatic. So while he wouldn't alienate very many voters, he wouldn't fire up voters in ANY part of the political spectrum, either. Being middle-of-the-road has its share of risks. Case in point: Oldsmobile.
NO!
What consensus?
If you bothered to check, you would see that Warner is the most electable in the current field.
Bayh has some really bad problems. including his longstanding attacks on the right to keep and bear arms.