The Democratic presidential primary season is winding down to its final few contests.

Next up, Kentucky voters head to the polls Tuesday to decide on who they want as their candidate. The state of Oregon has already been conducting its vote by mail-in ballot.

Polls show that Senator Hillary Clinton will likely cruise to victory in Kentucky. Right now, voters prefer her by a two-to-one margin.

But it's a different story in Oregon, where she trails Senator Barack Obama by a narrow margin. An Obama win there would put him that much closer to the delegat