The Democratic nomination is almost in reach for Sen. Barack Obama, many political experts say, after Tuesday's win in North Carolina and a strong showing in Indiana.
He'll be in "The Situation Room" on Thursday to talk about what's next in the campaign.
Can he unite the party? What's his message for Sen. Hillary Clinton's supporters?
What do you want to ask Obama? Send us your question in a short video, and join the best political team on television.
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