Will Obama's Endorsement of Socialist Bernie Sanders Be A Campaign Issue?

With Obama doing quite well with in the Presidential campaign,it's time to look again at Obama's support of socialist Bernie Sanders.Here's an October 25,2006 Newsalert blog entry quoting an AP story:

In a rousing speech that drew an overflow crowd to the University of Vermont on Friday, Illinois Sen. Barack Obama endorsed Bernie Sanders for U.S. Senate and Peter Welch for the U.S. House, saying the country could use a "nice cool blast of the truth."

Watch this video of Barack Obama endorsing socialist Bernie Sanders.Does Obama mean supporting a "socialist" candidate is "truth"?