Obama joins Clinton on the campaign trail in North Carolina

WASHINGTON (Reuters) - In her June 2008 concession speech for the Democratic U.S. presidential nomination, Hillary Clinton pledged to do all she could to propel Barack Obama to the White House. On Tuesday he returns the favour.

from Reuters: Top News http://uk.reuters.com/article/uk-usa-election-clinton-idUKKCN0ZL0YZ?feedType=RSS&feedName=topNews