Martin Luther King, Jr.'s son, MLK III, endorses John Edwards and urges him to stay in the race. Certainly, I think he should. Thus far, Edwards' impact on the primary has been overwhelmingly positive and I see no reason to think that will cease to be the case in the future. Obviously the odds are strongly against Edwards winning the nomination, but the odds don't get better if he drops out, and he's doing more to advance his issues and his causes by staying in and hoping for the best than he would be dropping out and endorsing someone.

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