Obama captures majority of pledged voters . Obama : ` ` Most important part of our future still lies ahead '' Clinton wins majority across all age , gender , income groups , polls show . Clinton voters in are more likely to back Clinton than Obama , polls show .
Obama captures majority of pledged delegates . Obama : `` Most important part of our journey still lies ahead '' Clinton wins Kentucky across all age , education , income groups , polls show . Clinton voters in Kentucky more likely to back McCain than Obama , polls show .