Speculation was running rampant on Tuesday that presumptive Democratic nominee Barack Obama will choose Indiana Sen. Evan Bayh as his running mate. Bayh says he knows nothing about such an announcement, but would he be a good choice? What are his strengths and weaknesses? Read the profile on Sen. Bayh and tell us what you think of him and the impact he might make on this campaign? Also, listen to our podcast with David Lightman of McClatchy News.