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参考答案: Senator Obama struck a similar chord on NBC's Meet the Press program.
"I want a Democrat to win in November, so even if Senator Clinton were the nominee instead of me, I would still be campaigning for Democrats."
Obama leads Clinton in pledged delegates won from primary contests as well as the popular vote of all who have cast ballots in the nominating elections so far. Many political analysts have suggested it would be virtually impossible for Clinton to overtake Obama in pledged delegates in the remaining contests.
Yet Clinton has won the last three contests held in large, populous states - two of which, Ohio and Pennsylvania, are considered must-win states for any Democrat to capture the White House in November. In addition, Obama has had to endure firestorms of criticism stemming from recent comments he made that were perceived as demeaning to working-class voters, as well as incendiary remarks by his former pastor.
The controversies appear to have eroded support for Obama in national polls. What remains to be seen is whether they will sway so-called super-delegates, Democratic Party elders who are not bound by primary election results and who also have a roll to play in deciding the eventual nominee.
To date, there has been no mass of super-delegate support away from Obama.
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